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- Firstbeat Life Measurement | Tessa van Nes
Stress heeft meer impact op ons welzijn dan we ons realiseren. Door te begrijpen hoe stress fysiologisch en mentaal werkt, kunnen we gerichter werken aan het verminderen en voorkomen van stress. Ik gebruik neuro- en biofeedback om dit proces te versnellen. An introduction to Firstbeat Life Want to reduce stress, feel better, enjoy the things that are important to you, and achieve better health and performance? Improve your well-being through knowledge With Firstbeat Life, you can see if your sleep is restorative, identify the key stress factors in your daily life, and check if your exercise is appropriate for your current fitness level. Measured data helps you manage stress, sleep better, and exercise right. Personal insights from heart rate variability analysis 24/7 heart rate variability analysis provides accurate data about your body’s reactions to different events during the day and night. You’ll learn how big of an impact small choices can have on your well-being. Your detailed analysis results are available immediately after your measurement on the Firstbeat Life mobile app. DE FIRSTBEAT GRAPH REVEALS HOW YOUR BODY REACTED TO THE DAY'S EVENTS Take small steps and experiment to improve Everyone’s body works in a unique way – what works for one person does not necessarily work for another. Monitor your body’s reactions in different situations to gain insights from data, and learn what works for you. This way you can find a better balance between overload and rest, and work and free time – one small change at a time.
- Terms & Conditions | Tessa van Nes
- English Translation of- Terms & Conditions This version of the Terms and Conditions is effective from 01-01-2023. Article 1 – Introduction 1.1 Tessa van Nes is located at Geelvinckstraat 95 in Castricum. 1.2 The company is registered as Tessa van Nes with the Chamber of Commerce Alkmaar under number 87471795. 1.3 Please contact us via: Tessavannes@kpnmail.nl Article 2 – Conditions with regard to the coaching and training offer 2.1 Both individuals and organizations can use the training courses of Tessa van Nes as listed on the website www.Tessavannes.nl . These include individual meditation and stress coaching sessions, group training and workshops in stress, mindfulness and meditation. 2.2 Tessa van Nes will at all times make every effort to carry out the training programs & coaching sessions carefully and independently, to optimally represent the interests of the customer/client and to strive for a result that is useful for the consumer/client. The customer/client is responsible for doing what is reasonably necessary or desirable to ensure that the training courses by Tessa van Nes take place as optimally as possible. This refers to matters such as the timely delivery of complete and clear information about the location of training courses and, if necessary, participants for organizations and the timely presence and confirmation of participation in the training. 2.3 The results of the meditation coaching sessions, workshops and training courses of Tessa van Nes stand or fall with the independent practice of the knowledge, experience and methods provided. Tessa van Nes cannot therefore guarantee that following the programs offered will lead to success in the life of the individual or results within the organisation. To help achieve the goals of each client or client and within the limits during the duration of the program, we are available for advice and adjustments. 2.4 Cancellation Policy. All training courses can be canceled free of charge up to a certain period before the start. The external possibility to cancel free of charge differs per service. Successively applies: Up to a week before the start of a course Up to 72 hours before the start of a workshop Up to 48 hours before the start of a coaching session Cancellations must be made by e-mailTessavannes@kpnmail.nl . For cancellations that take place shorter than the aforementioned period before the start, Tessa van Nes has the right to charge the customer/client for 100%, or, if this is part of a training program, to cancel the session. This applies to the total costs of the pre-agreed package. For all training courses for which Tessa van Nes has arranged an external location (on request), all costs arising from the inability to cancel the rental (determined by the lessor) and additional costs of this location will be charged to the customer/client. If time and/or costs have been incurred to tailor a program for a customer/client upon request, Tessa van Nes has the right to charge all time spent and costs incurred before the time of cancellation if this process does not take place. find. These costs will be made transparent by Tessa van Nes and will be provided to the client in an overview. 2.5 During the processes with multiple meetings, both the client and Tessa van Nes can terminate the collaboration at any time. This is done by an email from or toTessavannes@kpnmail.nl . The costs for the session(s) that have not yet taken place will not be charged or, if payment has already been made, will be refunded as soon as possible. For the sessions that have already taken place, Tessa van Nes will look for a reasonable solution for both parties, but reserves the right to charge this in full. 2.6 Tessa van Nes considers it important that consumers/clients are satisfied with the sessions/trainings provided. If this is not the case, we are more than willing to see whether this is justified and, if so, to compensate the customer/client for this. We also operate a complaints procedure. See article 6 for this. 2.7 Participation conditions for the training. Upon registration and/or payment, the participant has the responsibility to inform Tessa van Nes of any physical and mental discomfort or medical diagnoses that may be triggered by mental training prior to participation in the training courses. Meditation is successfully used as a therapy for people with mental illnesses such as depression and psychoses. However, this falls under specialist care from experts such as psychologists or specially trained or trained professionals. Tessa van Nes products are not intended for curative processes. People with mental illnesses such as depression, psychoses, bipolar disorders, schizophrenia, post-traumatic stress disorders, epilepsy or personality disorders must inform the trainer/coach in advance so that this can be taken into account. It may be advisable to follow more specialized programs by third parties. People with psychological illnesses who have not made this known to the coach/trainer in advance, always take part in the sessions/trainings on their own responsibility. Organizations that hire Tessa van Nes for meditation/stress training must ensure that the trainer/coach is informed in advance if one of the participants in the training has a psychological condition. 2.8 Liability. Tessa van Nes is not liable for any form of physical or mental problems that arise during or as a result of the training or other products and exercises performed, such as meditation and breathing or other exercises. By registering and participating in the coaching/training programs, the participant declares to be aware that emotions, mental and physical intensity may arise and voluntarily participates in the training and to bear responsibility for any undesirable changes in the mental, emotional and physical condition and stability. Where Tessa van Nes of course declares that it will make every effort to support the participant with these possible inconveniences insofar as this is within the possibilities, the participant accepts that he bears the responsibility for all training effects that have occurred at all times. Tessa van Nes strives for as much personal guidance and support as possible. However, in group training it is not always possible to monitor each participant individually. Everyone is responsible for guarding their own boundaries during Tessa van Nes' training sessions. If physical and/or mental discomfort arises during the training sessions and the trainer/coach is not informed of this, it cannot prevent further consequences. 2.9 The client indemnifies Tessa van Nes against all third-party claims arising from the applications or use of the results of the training. Article 3 – Prices and payment 3.1 The current prices of the coaching session and training of Tessa van Nes are listed on www.tessavannes.nl 3.2 Offers, prices or quotations do not automatically apply to future products or quotations. 3.3 Offers are without obligation and are valid for 2 months. Quotations may be subject to change due to an unforeseen change in work. 3.4 Assignments for company training must be confirmed in writing by the client. If the client fails to do so, but nevertheless agrees to the contractor commencing the execution of the assignment, the content of the quotation will be deemed to have been agreed. Further oral agreements and stipulations only bind Tessa van Nes after they have been confirmed in writing by the contractor. 3.5 Payment is always made prior to the training, unless otherwise agreed with Tessa van Nes. Payment in installments is possible in consultation with Tessa van Nes. If the participation fee is paid in installments, the obligation to pay remains even after the program has been completed. 3.6 Payments must be made within 14 days of the invoice date. If after the expiry of this term the customer/contractor has not yet received (full) payment, the customer is in default. If full payment is still not made after a payment reminder, all costs incurred by Tessa van Nes, such as administration costs, legal costs and extrajudicial and judicial costs, including the costs for legal assistance, bailiffs and collection agencies, incurred in connection with late payments, are for the customer/client. The extrajudicial costs are set at a minimum of 10% of the invoice amount with a minimum of € 150 excluding VAT. 3.7 If the payments are not made on time, we reserve the right to suspend the current programs or the next coaching / training sessions until the payment obligation has been met. 3.8 When the customer/principal terminates a current agreement, he must pay the costs incurred with regard to the work performed until then. This relates to both the training sessions already carried out and the time spent on tailoring the training if this has been agreed in advance with the customer/client. 3.9 If the agreement is dissolved by Tessa van Nes due to a demonstrable shortcoming in the fulfillment of the agreement or behavior that disrupts the employment relationship by the customer/client, the customer/client must pay the costs related to the work performed up to then, in addition to compensation. The compensation will at least include the costs incurred by Tessa van Nes in its own name for the fulfillment of the assignment with third parties, as well as at least 30% of the remaining part of the fee that the client would owe if the assignment was fully fulfilled. are. 3.10 Both Tessa van Nes and the client have the right to dissolve the agreement immediately in whole or in part in the event of bankruptcy or (provisional) suspension of payment of the other party. Article 4 – Intellectual property/materials used/physical products 4.1 Tessa van Nes owns the intellectual property rights to the content and materials of the training courses and the physical products. During and after the program, the materials may be used for your own person. It is not permitted to share these with third parties, unless Tessa van Nes has given written permission for this. 4.2 It is not allowed to sell the acquired knowledge commercially or to include it in your own program, unless Tessa van Nes has given written permission for this. Article 5 – Materials and Licenses 5.1 Tessa van Nes strives to keep the online materials available online for life for its participants, but this cannot be guaranteed. We reserve the right to remove materials and products when we see a need to do so. 5.2 After completing the coaching/training, neither the client nor the contractor have a retention obligation towards each other with regard to the materials and data used. Article 6 – Complaints 6.1 If the customer/client is dissatisfied with the services or products provided or the support provided by Tessa van Nes, you must inform us of this as soon as possible by sending an email toTessavannes@kpnmail.nl . We would like to receive a description of the complaint that is as clear as possible, so that we are able to respond adequately and, if the complaint is justified, to rectify it. 6.2 Complaints must be reported within 72 hours after the session, or in the case of a training program of several meetings, no later than 14 days after the last session. Of course we will take every complaint seriously and review it, if the complaint is received after the aforementioned period, the right to repair, replacement or compensation will lapse. 6.3 The customer/client will receive a response to his submitted complaint within a period of 14 days, calculated from the date of receipt. If a complaint requires a foreseeable longer processing time, an answer will be given within the period of 14 days with a notice of receipt and an indication when a more detailed answer can be expected. 6.4 Even with complaints submitted, any payment obligation will continue to exist. Article 7 – Liability 7.1 Barring intent or deliberate recklessness, the total liability of Tessa van Nes due to an attributable shortcoming in the fulfillment of the agreement or for any other reason is limited to compensation for direct damage up to the amount of the price stipulated for that agreement, excluding VAT. 7.2 The liability for indirect damage, such as; consequential damage, lost profit, missed savings, reduced goodwill, damage due to business interruption, etc. is excluded. 7.3 In the event of an attributable shortcoming, Tessa van Nes must first be given written notice of default, with a reasonable term, so that we are able to fulfill our obligations, or to repair any errors, or to limit damage, or to lift. 7.4 Any liability expires after one year from the moment the assignment is completed. Article 8 – Privacy 8.1 Tessa van Nes takes the privacy of all customers and clients very seriously and only uses personal data in the context of our services. Tessa van Nes hereby complies with the legal rules regarding the Protection of Personal Data and the AVG/GDPR law of the EU. 8.2 All personal data managed by Tessa van Nes is password protected. The online storage of the data is only accessible with a private account that, like the devices that access your data, are locked with a password and/or fingerprint. The number of devices that can access your data is limited to only the necessary devices. 8.3 We store the first name, last name, e-mail address and possibly the place of residence of persons registered on the mailing lists. This concerns persons who have shown interest in the services of Tessa van Nes and/or have indicated that they wish to be included in the list for future activities or releases. The email address is used exclusively for these purposes, communication about agreements and progress and financial settlement. The data is not shared with third parties and is stored until the person indicates that he no longer wishes to receive our mailings. Everyone has the right to terminate his subscription to the mailing list at any time and an 'unsubscribe' option can be found under the mail messages. It is also possible to send the wish to terminate participation by e-mail toTessavannes@kpnmail.nl . 8.4 On the Tessa van Nes website, personal information is requested in the contact form. The request for this data is to allow further communication and to provide the desired information. This data is also not passed on to third parties. Your name and e-mail address are not automatically added to the newsletter mailing list. That will only happen if you request it. The Tessa van Nes website does not use cookies. 8.5 Digital sessions. Any digital sessions of Tessa van Nes take place via Zoom and each participant agrees to Zoom's terms and conditions. If, if desired, a recording of the session is made, Tessa van Nes declares not to share it with anyone other than the participant, provided that permission is given. In group sessions, if desired, Tessa van Nes can make recordings or photos as part of the training, which will be made available to other participants or future participants. The training can also be used for publishing in a podcast. The participant in these sessions gives permission for this with his participation and objections to this that are made known in advance by e-mail are taken into consideration. 8.6 Further questions about our privacy policy can be asked atTessavannes@kpnmail.nl . Article 9 – Other 9.1 Deviations from these General Terms and Conditions are only applicable if they have been agreed in writing between Tessa van Nes and the client. 9.2 If one or more provisions in these General Terms and Conditions are wholly or partially null and void or should be annulled, the other provisions of these General Terms and Conditions will remain fully applicable. We will then enter into consultations to agree on new provisions to replace them, taking into account the purpose and scope of the original provisions as much as possible. 9.3 In writing is also understood to mean by email. Article 10 – Disputes 10.1 In the event of any disputes, Tessa van Nes will prefer to resolve the dispute amicably before submitting it to court. 10.2 If no mutual solution is found that satisfies both parties, we will submit disputes to the court. Article 11 Applicable law 11.1 Dutch law applies to this agreement. Article 12 Modification of the conditions 12.1 Tessa van Nes is authorized to make changes to these conditions. These changes will take effect at the announced time. The most current version of the terms and conditions can be found on our website, www.Tessavannes.nl , with the date of entry into force. Earlier versions of the General Terms and Conditions can be requested via Tessavannes@kpnmail.nl .
- What others say about me | Tessa van Nes
This is what others say about me "In only a few sessions, Tessa taught me different forms of meditation and provided insights on the basics of what the different brain waves and heart rhythm variability mean. By measuring your brain waves and your heart rate, you actually see what the impact of meditation is on you. With her expertise and enthusiasm she can clearly explain what happens to your (sub)consciousness in the meditation sessions. I saw progress every session and was able to relax faster and connect better to myself. I still practice regularly at home. This ensures that I experience less stress and really learn to listen to myself." Julie, Haarlem
- Tessa van Nes | Stress | Stress Measurement & Assessment
Many people experience stress. I am Tessa van Nes, and I measure stress accurately during several days 24 hours measurements. Based on actionable insights from these measurements, I help employees, teams, and organizations to measurably reduce stress levels. TEAM PERFORMANCE RISK SCAN You sense the pressure is damaging your team. But you have no proof. Within 30 days, you'll know objectively how serious the risk is and where and how overload is developing — so you can act on facts, before things go wrong. Free Discovery Call ✓ 25 years of leadership experience — corporate expertise ✓ Based on objective physiological Stress & Recovery measurement with Firstbeat Life — medical-grade HRV technology ✓ Based on the Workload Risk Curve™ ✓ Privacy-proof anonymised reporting — from 10 people ✓ Ex-Ahold & Heineken — corporate expertise DOES THIS SOUND FAMILIAR? You know something needs to change, but you feel powerless You see what's happening. But you can't prove it. And without evidence, you always lose to the spreadsheets and the targets. "I feel like something is wrong, but I can't prove it." You notice it, but gut feeling never wins against data and targets when you have to escalate upward. "Good people are checking out and I see it too late." Motivation loss creeps in. Small mistakes increase. But there are no hard KPIs for what hasn't gone wrong yet. "Management keeps pushing for output — without seeing the reality." The pressure from above is based on targets, not on what you experience day to day on the floor. "We're putting out fires. We're not steering." You react to incidents instead of getting ahead of problems. While you know it only gets worse — and more expensive — if you wait. "I want to intervene, but I don't know how." You've already tried several things — workshops, wellbeing programmes — but nothing seems to stick. You see it. But you can't sell it upward. You don't operate in a vacuum. Above you sits a management team or board of directors that steers on output, deadlines, headcount and targets. A manager who raises concerns without numbers almost always loses that conversation. Not because they're wrong — but because gut feeling never wins against the spreadsheet. The conversation you have now — without data "I'm worried about the pressure in my team. I think we need to slow things down a bit." MT response: "We're in the middle of a busy period. Everyone's under pressure. Hold on a little longer." Result: you're sent back. Without a solution. The conversation you can have — with data "68% of my team members are physiologically in the risk zone, with 9% at serious risk of burnout in the short term and 25% with a nervous system so out of balance that rest alone is no longer sufficient. This data shows that if we do nothing now, we'll have a serious performance problem in the short term." MT response: "Show me that report. What do we need?" Result: you don't have an opinion — you have proof. The Team Performance Risk Scan™ provides you with an anonymised team-level report that you can use directly to take targeted actions and discuss your management team or board of directors. Objective physiological data, translated into leadership language. THE ANALYSIS The Workload Risk Curve™ Our analyses are based on the Workload Risk Curve™ — a model that describes the five phases employees go through when under sustained pressure. Every phase of the curve is physiologically measurable in the autonomic nervous system. In most cases, the people around them only see what's happening when someone reaches phase 4 or 5. By that point, intervention is expensive, slow and disruptive. Phases 2 & 3 form 'The Hidden Stress Zone': employees are still functioning, but the nervous system is already overloaded. On average, 61% of employees is in the Hidden Stress Zone. Early intervention prevents loss of energy, performance and productivity. Read more about this model → PHASE 1 Sustainable performance Physiological stress & recovery in balance Focused and energetic Stable output Constructive collaboration PHASE 2 Driven performance Performing on willpower High ambition, pushing through Physiological recovery decreasing Still productive PHASE 3 Nervous system dysregulation Physiological imbalance between stress & recovery Sleep quality declining Constant pressure PHASE 4 Functional burnout Performance visibly declining Emotional reactivity Chronic fatigue Absenteeism increasing PHASE 5 Collapse System is exhausted Burnout Long-term absence Extended recovery required Team disruption HIDDEN STRESS ZONE The employee is still functioning, but the nervous system is already overloaded. This is physiologically measurable. DE MEETSTANDAARD We work with Firstbeat Life — the same technology used by 1,000+ professional sports teams Firstbeat Life is the global standard in physiological stress measurement. The platform is built on 20 years of scientific research and a database of over 4 million physiological measurements. Not a gadget — medical-grade HRV technology, proven in elite sport and now applied in corporate organisations. We are a certified Firstbeat Life user and integrate the measurement data with our own analysis, coaching and leadership advice. 10.000+ organisations worldwide 350+ scientific publications Up to 30% reduction in sick days among users 80%+ report higher work efficiency TEAM PERFORMANCE RISK SCAN™ How we go from signals to facts in 30 days Not based on questionnaires. No assumptions. We measure physiologically what is really happening — via Firstbeat Life — and translate that into concrete action for you as a leader. 1 Kickoff: Stress intelligence session Alle deelnemers begrijpen hoe stress en herstel fysiologisch werken — vóór de meting begint. Niet als theorie, maar als context voor wat ze zelf gaan ontdekken. -> Wat gebeurt er in het zenuwstelsel onder druk? -> Waarom lukt ontspannen soms niet, ook al neemt je rust? -> Wat gaat de meting laten zien en waarom is dat relevant? 2 Meet de realiteit — 5 dagen Firstbeat meting Medewerkers dragen gedurende 5 werkdagen de Firstbeat Life sensor. Het apparaat registreert continu de fysiologische stress-herstelbalans via hartritmevariabiliteit (HRV) — inclusief slaap, beweging, energie en herstelpatronen. Objectief, niet op basis van zelfrapportage. 3 Detect hidden risks We analyse the Firstbeat data and identify where overload is lurking in the team, before it becomes visible as absence or performance loss. Per individual and as a team pattern — based on objective physiological facts. At team level, possible shared underlying causes are identified. 4 Individual insight & behaviour change Each employee receives a personal report and a 1-on-1 debrief. They understand where they stand in the Workload Risk Curve, when they experience stress (often unconsciously), what causes their stress. They also see objectively what helps them recover and what concrete actions they can take to improve. Firstbeat data shows that more than 50% adjust their behaviour after the first measurement. 5 Leadership Action Plan — 90 minuten Jij krijgt een geanonimiseerd teamoverzicht met patronen, risicozones en gerichte interventies. → Everything is privacy-proof. You see patterns at team level, never individual data. Employees receive their own insights via the Firstbeat Life app — which typically results in high participation rates. PROOF THAT IT WORKS What it delivers 50% Adjusts behaviour after the first measurement (Firstbeat data, 100,000+ measurements) 68% improved stress-recovery balance. Best result after 3 months — own trajectories, individual 14% Average improvement in stress-recovery balance at second measurement — own trajectories 9.3 Average client satisfaction out of 10 — own trajectories THE BUSINESS CASE What does doing nothing cost? One burnout. One departing key employee. Three months of performance loss. Each of these scenarios costs your organisation many times more than a scan. Not as a sales argument, but as a calculation that every HR manager and CFO recognises. The average cost of absence due to overload in the Netherlands is €15,000 to €25,000 per employee per year. This excludes productivity loss from the rest of the team and the costs of replacement or recruitment. A Team Performance Risk Scan with an investment of €5,000 for a team of 10 employees therefore pays for itself very quickly. Sources: TNO Arbobalans, OVAL, Verbond van Verzekeraars. Figures are averages for medium-size d organisations in the Netherlands. READY TO START? From gut feeling to facts — in 30 days We start with a free discovery call of 20–30 minutes. No sales pitch, no vague promises. We do a Quick Pressure Assessment and see whether this fits what's happening in your team. Step 1 Discovery call – Quick Pressure Assessment Step 2 Tailored proposal Step 3 Scan starts within 2 weeks Schedule a 20–30 minute conversation No obligations, no standard sales call
- Workload Risk Curve | Tessa van Nes
The Workload Risk Curve™ maps the five phases from sustainable performance to burnout. Discover how physiological measurement reveals what self-reporting never can. WORKLOAD RISK CURVE™ -TESSA VAN NES Five phases. Always the same creeping pattern. Employees don't suddenly slide from high performance to burnout. It's a gradual process — invisible to those around them and often to themselves. The Workload Risk Curve™ makes this pattern visible, so you can act in time — before performance loss, turnover or absence occurs. THE FRAMEWORK From sustainable performance to collapse — and back The Workload Risk Curve™ describes the five phases employees go through when work pressure causes stress and recovery to become chronically out of balance. Each phase has recognisable signals — but only physiological measurement reveals how overloaded someone truly is. Click on a phase tab to see the signals — and what it means for your organisation. Which phase do you recognise in your employees? 1. SUSTAINABLE 2. DRIVEN 3. DYSREGULATION 4. FUNCTIONAL BURNOUT 5. COLLAPSE 1. SUSTAINABLE HIGH PERFORMANCE Stress & recovery in balance What does this look like? Flexible and adaptive under pressure Clear thinking, even in complex situations Connects easily with others Stable energy throughout the day Recovers quickly after intensive periods This is the goal. Employees in phase 1 perform sustainably — without burning themselves out. They are effective, connected and resilient. Important to know: many employees believe they are in phase 1. Physiological measurement often shows something different. The perception of performance is not the same as the reality of recovery. EXAMPLE MEASUREMENT — SUSTAINABLE HIGH PERFORMANCE A nervous system in phase 1 shows the following pattern in a Firstbeat measurement: Sufficient recovery during the day — the line visibly alternates between stress and relaxation Normal, healthy stress response to stimuli Sufficient movement and physical activity Restorative sleep — the nervous system genuinely comes to rest 2. DRIVEN PERFORMANCE High performance on willpower What does this look like? High ambition, lots of energy — but it costs more than it appears Performance is fine — often seen as a high performer Keeps going on perseverance Recovery capacity declining gradually — without it being noticeable Still feels fine — the physiological data reveals the risks Why is this the most dangerous phase? Phase 2 is the most dangerous phase to miss. Employees are performing excellently and showing no visible signals. They often believe they are doing well — and are assessed as such by those around them. But their nervous system is already compensating. Simple adjustments can still easily bring someone in phase 2 back to phase 1. Waiting until phase 3 or even 4 means a considerably longer road back. EXAMPLE MEASUREMENT — DRIVEN PERFORMANCE A nervous system in phase 2 shows the following pattern: High energy consumption — many stress responses in the system Recovery visibly decreasing — fewer green periods during the day Sleep appears normal, but recovery value is already declining 5. COLLAPSE System can no longer compensate What does this look like? Burnout or long-term sick leave System is exhausted and can no longer function — not even with willpower Extended recovery trajectory — an average of 9 to 12 months High costs for the organisation Significant impact on team, department and results This could have been prevented Phase 5 often appears to come unexpectedly — but the physiological data would have made this visible months earlier. Collapse is rarely a surprise if you have the right data. It is always the endpoint of a creeping process that began in phase 2. The costs of one long-term absence case — in time, money, team dynamics and reputation — are many times higher than early intervention. That is not meant as criticism. It is a reason to measure earlier. Measurement in phase 5 In phase 5, measurement is often no longer the first priority — recovery is. But the data from the weeks and months before would already have shown the pattern: structurally no recovery, chronically high stress levels, and a nervous system that had been operating above capacity for a long time. Phase 5 is the reason why measuring early is not a luxury — it is leadership. 4. FUNCTIONAL BURNOUT Performance visibly declining What does this look like? Concentration and decisiveness declining Emotional reactivity increasing — more irritability Chronic fatigue, even after sleep and rest Reduced motivation and engagement Still functioning — but requires increasingly more effort The nervous system has been under too much strain for a long time The signals are now becoming visible to those around them — but the physiological impact has been present for much longer. Recovery takes months. There has also been a considerably longer impact on the environment than those around them realise. People in phase 4 can sometimes still perform reasonably well in the short term — through sheer willpower. But the quality of work, leadership and decisions is already significantly compromised, even if that isn't always immediately visible. EXAMPLE MEASUREMENT — FUNCTIONAL BURNOUT A nervous system in phase 4 structurally shows: Little to no recovery during the day — the graph is predominantly red Little recovery during sleep — the nervous system stays 'switched on' Relaxation is no longer recovery — the system can no longer regulate itself High stress peaks at moments that would normally not be a problem 3. NERVOUS SYSTEM DYSREGULATION No balance between stress and recovery What does this look like? Recovery capacity structurally reduced Sleep quality declining — often unnoticed Constant background tension, even during rest Harder to relax — even at weekends Head full of thoughts, more ruminating than usual The tipping point This is the tipping point. Intervention in phase 3 is still very possible, but already requires more time and attention than in phase 2. Waiting until phase 4 means a much longer, more costly road back. The treacherous part: people in phase 3 are still functioning. They don't call in sick. But the impact on the nervous system is already significant — and is beginning to take its toll on the quality of decisions, relationships and output. EXAMPLE MEASUREMENT — NERVOUS SYSTEM DYSREGULATION A nervous system in phase 3 shows the following pattern: No longer any balance between stress and recovery — the graph remains predominantly red Number of stress responses increasing Sleep quality declining — the system stays 'switched on' at night Resting is no longer automatically recovering THE HIDDEN DANGER The Hidden Stress Zone. Phases 2 and 3 are the Hidden Stress Zone. Employees in these phases are still functioning. They don't call in sick. They don't complain. And they structurally underestimate how overloaded they are — because high achievers learn early on to treat signals as normal. Phase 2 Driven Performance Performing excellently. Seen as a high performer. The nervous system is already compensating — but nobody sees it. Phase 3 Dysregulation Feels the tension, but attributes it to being busy. Sleep deteriorates. Recovery capacity declining. Still functioning and showing up. 100.000+ Firstbeat stress & recovery measurements that on average about 61% of employees are in the 'Hidden Stresszone'. Self-reporting does not capture this. Leaders and employees who are used to pushing through will sometimes even see stress as weakness — and therefore minimise or normalise signals. Only physiological measurement reveals what is really happening here. That is precisely why overload often only becomes visible for leaders at the moment of collapse — while a measurement could have shown it months earlier. 50% of participants adjust their behaviour immediately after the first measurement. (Firstbeat data, 100,000+ measurements) +14% average improvement in stress-recovery balance already at the second measurement (own trajectories) +9.3 average client satisfaction — participants value the insight that data provides WHY MEASURE? What self-reporting can never do Questionnaires and conversations are useful — but they measure what people think or want to say, not what is physiologically really happening. In the Hidden Stress Zone, that difference is crucial. Employees who are used to performing under pressure normalise signals. They give socially desirable answers, even when they don't consciously intend to. Not out of calculation — but because their frame of reference has shifted. Physiological measurement via heart rate variability (HRV) bypasses this. The nervous system does not lie. It objectively records the balance between stress and recovery — 24 hours a day, at work and at home, including sleep. That is the only type of data that you as a leader or organisation can rely on if you want to intervene early. THE NEXT STEP Know within 30 days which phase your team is really in The Team Stress & Recovery Scan™ objectively measures the stress-recovery balance of your employees. Not based on questionnaires — physiological data that reveals what self-reporting never can. Schedule a free 20–30 minute conversation No obligations. No sales pitch. Simply seeing whether it fits.
- About me | Tessa van Nes
ABOUT ME I was in the Hidden Stress Zone myself. And I didn't see it. For 25 years I led in corporate organisations. I was functioning, I was performing — while my nervous system had been overloaded for years. I had signals. But I had no data. That is precisely why I now measure what I couldn't see back then. 25 years of leadership and management in corporate organisations Former Agile Transformation Director — Heineken Biofeedback & Neurofeedback Specialist Certified EFT Practitioner Certified Firstbeat Life user "The signals were always there. I just didn't know how to read them — until the data showed me." MY CAREER From business graduate to leader of complex transformation programmes After completing my business administration degree, I worked for over 25 years as a leader and manager in large corporate organisations. With pleasure, with dedication — and with an approach that worked. I was someone with vision, who maintained overview, pushed through when things got complicated and took responsibility where others hesitated. Those qualities took me far. To Agile Transformation Director at Heineken. To large, complex transformation programmes in which my department helped organisations work in fundamentally different ways. I did what I was good at, and I did it with pleasure and conviction. And all the while I was doing exactly what I now measure in others: I was performing on willpower, while my nervous system had long since fallen out of balance. THE HIDDEN STRESS ZONE -FROM WITHIN I was functioning fine. But my nervous system hadn't been for a long time. When I look back at those years and map them onto the Employee Stress Curve™, I can see the pattern clearly now. I was in phase 3, possibly already heading towards phase 4. Functioning. Productive. Visibly effective. But the signals were very much there. A head full of thoughts that never seemed to clear. Chronically tense shoulders and neck. A sense of being rushed that was there even when there was no reason for it. Poor sleep — waking at 3am, mind already racing. Relaxation becoming increasingly effortless — even at weekends and during holidays. "I recognised the signals. And I did what most leaders and employees do: I normalised them. They fitted with a busy, responsible job and a family life. With who I was. With what I demanded of myself." None of those signals were reason to actually change something structurally. Also because I genuinely didn't know how I would do that. Each of them had a logical explanation. And I kept performing — so what was the problem? That is exactly how the Hidden Stress Zone works. Your nervous system compensates. Until it can no longer do so. WHAT I NOW KNOW If I had measured myself at the time with Firstbeat Life, the data would have shown what I couldn't see myself: structurally insufficient recovery, chronically elevated stress levels, sleep that was no longer restorative. And I would have seen which simple changes to my daily life could have improved this. The measurement would have raised the alarm years earlier — so that I could have taken targeted action much sooner to return to sustainable performance. WHAT I DISCOVERED Stress turned out to be measurable. And therefore changeable . I immersed myself in the psychology and physiology of stress. Through neuro- and biofeedback, something became visible that I had not understood for years: the true state of my nervous system, in concrete data. For the first time I had an objective picture of what was really happening, rather than what I thought was happening. For the first time I understood why simply resting wasn't enough. Why my head stayed switched on. Why relaxing doesn't work by trying harder. And why all those years of pushing through had not made me strong — but actually vulnerable. → My nervous system was structurally overloaded — not through weakness, but through years of functioning on perseverance and control without sufficient recovery → Biofeedback made the overload concrete and measurable — that was the key that conversations, self-reflection and intuition had not provided → Nervous system regulation is a skill — one that can be learned, even under pressure, even in the middle of a leadership reality I completed training in biofeedback, neurofeedback, meditation, mindfulness, breathing regulation and EFT tapping. I experimented. Adjusted my patterns based on what the data showed. Step by step I learned to regulate my system — not on feeling alone, but with measurable progress. THE TURNING POINT In 2021, the last reserve ran out . During the pandemic, I was diagnosed with cancer. And here lies the physiological reality I now understand: my nervous system had no reserves left. The years of high performance on willpower had depleted them. And when an acute, serious stressor arrived — the diagnosis, the chemotherapy, the operation — there was nothing left to fall back on. I now finally had time to recover. But I could no longer relax, even now that I had all the time in the world to do so. My head remained busy. My system stayed switched on, even without work pressure. That is not weakness. That is what happens physiologically when a nervous system has had too little recovery for too long — and is then hit by extreme stress on top of that. The system can no longer flick the switch. Resting doesn't help, because relaxation is a skill that the nervous system has to execute. And that was exhausted. During my rehabilitation I resigned from my job to make space for recovery. Not as an admission of defeat — as the only logical step. That decision changed everything. Not only for myself, but for what I would go on to understand and do for others. WHAT I DO NOW If I couldn't see myself realistic without data — what does that say about your team? That is the question I bring to every organisation. I had 25 years of leadership experience. I knew myself well. I knew the signals. And yet I missed what was physiologically really happening — because I had no objective data to hold up a mirror to me. Your employees are no different. The people in your team who work the hardest, perform the most and complain the least are often precisely the people who are deep in the Hidden Stress Zone. Functioning. Visibly effective. And internally already far beyond their limits. "The scan gives you as a leader the data to see what you otherwise cannot see. Not as a judgement — as information. The same information I didn't have back then." More information More information about the Team Stress & Recovery Scan That is what I do: objectively measuring what would otherwise remain invisible. And giving leaders and organisations the tools to act on the basis of facts — before performance declines or someone burns out. WHAT I BELIEVE IN Four principles that guide my work High performance and wellbeing go perfectly well together — but they require a different approach than willpower, pushing through and hoping for the best. Sustainable performance starts with a nervous system that is capable of healthy recovery. 1 Objective data changes the conversation - Both for you in discussions with your leadership, and for the people in your team in relation to themselves. Assumptions become facts. Facts become action. That is the starting point for improvement. 2 Long-term absence is almost always avoidable — if you intervene early enough. The signals have always been there. They just weren't measurable. Now they are. So you know in time what you need to do. 3 Nervous system regulation is not a luxury for when you have enough time - It is a skill for those who are genuinely busy and want to keep performing sustainably — without burning themselves out. 4 WANT TO KNOW MORE? Let's talk. In 30 minutes we discuss what is happening in your team or organisation — and whether the Team Stress & Recovery Scan™ can provide insight into that. No sales pitch. An honest advisory conversation. Schedule a no-obligation conversation 30 minutes · no obligations · via Calendly — you choose the moment
- Questionnaire | Tessa van Nes
Burn-out questionnaire To better understand your unique situation and assess the impact and effectiveness of my services, I kindly ask you to complete the following questionnaire. By filling out the same questionnaire at the end of our sessions/program, we can track any changes and progress over time. The questionnaire takes a couple of minutes to complete. Some questions may seem similar, but each one serves a distinct purpose—please answer them individually. The best approach is to respond intuitively and avoid overthinking; simply select the option that feels most accurate. Rest assured that all information will be handled with the utmost confidentiality and will not be shared with anyone. Thank you for your time and participation! First name* Sur name* Please answer the following questions: 1. How often do you feel tired? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 2. Does your work frustrate you? (W)* 1. To a very high degree 2. To a high degree 3. Somewhat 4. To a low degree 5. To a very low degree 3. How often are you emotionally exhausted? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 4. Do you feel burnt out because of your work? (W)* 1. To a very high degree 2. To a high degree 3. Somewhat 4. To a low degree 5. To a very low degree 5. How often do you think: ”I can’t take it anymore”? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 6. How often are you physically exhausted? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 7. How often do you feel worn out? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 8. Do you have enough energy for family and friends during leisure time? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 9. Are you exhausted in the morning at the thought of another day at work? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 10. How often do you feel weak and susceptible to illness? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 11. Do you feel worn out at the end of the working day? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 12. Do you feel that every working hour is tiring for you? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 13. Is your work emotionally exhausting? (W)* 1. To a very high degree 2. To a high degree 3. Somewhat 4. To a low degree 5. To a very low degree Send
- Questionnaire | Tessa van Nes
Questionnaire To better understand your unique situation and assess the impact and effectiveness of my services, I kindly ask you to complete the following questionnaire. By filling out the same questionnaire at the end of our sessions/program, we can track any changes and progress over time. The questionnaire takes approximately 5–10 minutes to complete. Some questions may seem similar, but each one serves a distinct purpose—please answer them individually. The best approach is to respond intuitively and avoid overthinking; simply select the option that feels most accurate. Rest assured that all information will be handled with the utmost confidentiality and will not be shared with anyone. Thank you for your time and participation! First name* Sur name* Please answer the following questions: 1. How often do you feel tired? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 2. Does your work frustrate you? (W)* To a very high degree To a high degree Somewhat To a low degree To a very low degree 3. How often are you emotionally exhausted? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 4. Do you feel burnt out because of your work? (W)* To a very high degree To a high degree Somewhat To a low degree To a very low degree 5. How often do you think: ”I can’t take it anymore”? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 6. How often are you physically exhausted? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 7. How often do you feel worn out? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 8. Do you have enough energy for family and friends during leisure time? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 9. Are you exhausted in the morning at the thought of another day at work? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 10. How often do you feel weak and susceptible to illness? (PB)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 11. Do you feel worn out at the end of the working day? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 12. Do you feel that every working hour is tiring for you? (W)* 1. Always 2. Often 3. Sometimes 4. Seldom 5. Never/almost never 13. Is your work emotionally exhausting? (W)* To a very high degree To a high degree Somewhat To a low degree To a very low degree In the last week, how often have you: 14. Been upset because something that happened unexpectedly? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 15. Felt that you have been unable to control important things in your life? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 16. Felt nervous and ‘stressed’? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 17. Found that you could NOT cope with all the things you had to do? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 18. Been angered because of things that happened that were out of your control? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 19. Felt difficulties were piling up so high that you could not overcome them? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 20. Felt confident about your ability to handle your personal problems? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 21. Felt things were going your way? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 22. Been able to control irritations in your life? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 23. Felt that you were on top of things? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never Over the last week, how often have you been bothered by the following problems: 24. Feeling nervous, anxious or on edge? (A)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 25. Not being able to stop or control worrying? (A)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 26. Feeling down, depressed or hopeless? (D)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 27. Little interest or pleasure in doing things? (D)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 28. Repeated, disturbing memories, thoughts, or images of a stressful experience? (P)* 1. Not at all 2. A little 3. Moderate 4. Quite a bit 5. Extremely 29. Feeling very upset when something reminded you of a stressful experience? (P)* 1. Not at all 2. A little 3. Moderate 4. Quite a bit 5. Extremely Send
- Questionnaire | Tessa van Nes
Questionnaire To better understand your unique situation and assess the impact and effectiveness of my services, I kindly ask you to complete the following questionnaire. By filling out the same questionnaire at the end of our sessions/program, we can track any changes and progress over time. The questionnaire takes approximately 5 minutes to complete. Some questions may seem similar, but each one serves a distinct purpose—please answer them individually. The best approach is to respond intuitively and avoid overthinking; simply select the option that feels most accurate. Rest assured that all information will be handled with the utmost confidentiality and will not be shared with anyone. Thank you for your time and participation! First name* Sur name* In the last week, how often have you: 1. Been upset because something that happened unexpectedly? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 2. Felt that you have been unable to control important things in your life? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 3. Felt nervous and ‘stressed’? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 4. Found that you could NOT cope with all the things you had to do? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 5. Been angered because of things that happened that were out of your control? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 6. Felt difficulties were piling up so high that you could not overcome them? (S)* 0. Never 1. Almost never 2. Sometimes 3. Fairly often 4. Very often 7. Felt confident about your ability to handle your personal problems? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 8. Felt things were going your way? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 9. Been able to control irritations in your life? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never 10. Felt that you were on top of things? (S)* 0. Very often 1. Fairly often 2. Sometimes 3. Almost never 4. Never Over the last week, how often have you been bothered by the following problems: 11. Feeling nervous, anxious or on edge? (A)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 12. Not being able to stop or control worrying? (A)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 13. Feeling down, depressed or hopeless? (D)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 14. Little interest or pleasure in doing things? (D)* 0. Not at all 1. Several days 2. Most of the days 3. Every day 15. Repeated, disturbing memories, thoughts, or images of a stressful experience? (P)* 1. Not at all 2. A little 3. Moderate 4. Quite a bit 5. Extremely 16. Feeling very upset when something reminded you of a stressful experience? (P)* 1. Not at all 2. A little 3. Moderate 4. Quite a bit 5. Extremely Send
- Subscribe for audio | Tessa van Nes
VAN DOORGAAN OP WILSKRACHT NAAR OPTIMAAL PRESTEREN "Beter stressmanagement heeft een enorm positieve impact gehad op de effectiviteit van mijn leiderschap." Duurzaam presteren? Verbeter je stress-herstel balans. Laat me weten waar ik de link van de video naartoe kan sturen, zodat je vandaag nog kan beginnen*. Naam* Achternaam* E-mail* Stuur mij de video Je gevens zijn veilig *Als je de link niet binnen een paar minuten hebt ontvangen, check dan even je SPAM-folder.
- Registration Stress Check-up | Tessa van Nes
Ik heb meer dan 25 jaar ervaring als leidinggevende in grote organisaties en ken de stress die je daar bij kunt ervaren. Inmiddels help ik anderen om beter met deze stress om te gaan en te leren om weer rust in je hoofd en ontspanning in je lijf te ervaren, zodat je effectiever kan functioneren. Registration Stress Check-up First Name* Sur Name Company name (if applicable) E-mail adress* Why are you registering for a Stress Check-up? I'll get back to you as soon as possible with a date to schedule an introduction. Looking forward to working with you! Send