When Your Sleep Score Makes You Feel Worse: Tracking Without Losing Agency

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Short answer: Waking up feeling fine, checking the app, seeing a low sleep score, and feeling worse from that moment on is a real, studied effect. In a randomised experiment, people given falsely negative sleep feedback reported less alertness and more fatigue by evening, while their measured performance had not changed. Sleep clinicians have a name for the extreme end, orthosomnia, coined after patients kept trusting their trackers over their own sleep-lab results. None of this makes tracking worthless. It means the score is an input for you to weigh, and any wearable worth wearing should be designed so that, over time, you need it less.

Say the alarm goes off at 6:50 and you feel, by any honest internal audit, fine. Rested, even. Then you check the app: 62. Restless sleep, apparently. Poor recovery. Somewhere between the kettle and the first meeting the number does its work, and by mid-morning you are yawning on schedule, tired in a way you were not at 6:50. Your night did not change. A number described it differently, and you believed the number over the person who slept it.

The experiment that caught the score in the act

You cannot test this by asking people how they feel about their tracker, because the tracker might be right. You test it by lying to people in a controlled way.

A team at Oxford did exactly that. Sixty-three adults with insomnia wore an actigraphy watch that delivered sham feedback each morning: half were told, at random, that their night had gone well, half that it had gone badly, regardless of how they actually slept. By evening, the group given negative feedback reported noticeably worse alertness and more sleepiness and fatigue than the group given positive feedback. On the objective tests the researchers ran alongside, reaction-time vigilance and attention, the two groups did not differ (Gavriloff et al., 2018).

Read that pairing again, because it is the whole article in one finding. The score changed how people felt and what they reported. It did not change what their nervous systems could actually do. The feedback was fiction, and the fatigue it produced was real to the person carrying it around. One study, one day, in people with insomnia, so hold the size of the claim accordingly. The direction of it is hard to argue with.

When trust in the tracker beats trust in the lab

In 2017, sleep clinicians at Rush and Northwestern published three cases of a pattern they had started seeing and named it orthosomnia, the perfectionist pursuit of ideal sleep numbers (Baron et al., 2017). One patient, a 27-year-old woman, went through a full overnight sleep study that showed her deep sleep was normal. Her response, recorded in the paper: "Why does my Fitbit say I am sleeping poorly?" The gold-standard measurement lost the argument to the wristband. The authors also noticed all three patients lying in bed longer and longer to farm a better duration number, which is close to the worst available strategy for actual insomnia.

Three patients is an anecdote with a DOI, and the authors' 2017 verdict that consumer devices could not reliably stage sleep describes that era's hardware. The pattern they named did not stay rare, though, and you do not need a clinic to recognise the domestic version: the night judged fine until the app disagreed.

Who is measuring whom?

One of the sharpest observers of this we have met is Dr. Anupama Gowda, a researcher whose dissertation, "Exhaling Data: The Promise and Perils of Wearable Technologies," grew out of eight months of wearing two trackers at once. They disagreed with each other, and with her. One would declare her rested while her body reported otherwise, and the second device would split the difference. Two instruments, one body, three opinions. In a recent episode of our podcast, Art and the Science of Breathing, she describes the question that organised her research, borrowed from a paper that stuck with her: who is laboring whom? Is the device working for you, or have you quietly started working for the device?

She has watched people fail that test in miniature. For an exhibition called Sensing Prana she built a pinwheel with a pressure sensor inside: blow on it and a thermal printer hands you a "breath print," a little receipt for one exhale. It was designed as a moment of reflection at a busy engineering conference. One visitor came back all three days to blow into the pinwheel and compare her receipts, hunting for a better breath. The artwork about over-measurement had acquired a user trying to optimise it.

Her larger point cuts both ways, and it is worth keeping both halves. Wearables genuinely returned something doctors had kept to themselves for a century: before, only the stethoscope got to say what your body was doing, and now the reading belongs to the person wearing the sensor. That is the promise, and she defends it. The peril is her one-line warning: people losing the ability to recognise their own bodies without a device to confirm it.

Tracking without losing the plot

A few working rules fall out of the evidence and out of that conversation.

Treat the score as testimony. A wearable is one witness with known biases, reporting on averages built from bodies that are not yours. When it conflicts with how you feel, that conflict is information, and you are allowed to rule either way. The morning question worth asking is the one the sham-feedback study answers: would I feel this tired if I had not seen the number?

Know what you hired the device for. Dr. Gowda's first advice to conflicted trackers is to ask what the intent was. Training for a race, investigating a specific problem, and ambient self-surveillance are different jobs with different exit criteria. A device you cannot name a job for is a subscription to weather reports about yourself.

Watch for performing. Staying in bed to improve a duration number, walking loops in the kitchen at 23:40 for a streak, choosing the workout the algorithm will reward: at that point the measurement has replaced the goal. The orthosomnia cases are the clinical edge of an ordinary drift.

Let the habit graduate. Her strongest positive case for wearables is habit formation: the device holds the structure while a behaviour becomes yours, and then the behaviour no longer needs the scaffolding. A tracker you could take off for a week without losing what it taught you is a tracker that worked.

Where Alveos One fits: Our whole company sits on one sentence: we build technology that expands human agency, the ability to know what state you are in and to change it. That is a design constraint, and this article is honest only if we admit the risk applies to us too, since breathing data can be fretted over as easily as sleep data. Two choices follow from the constraint. Alveos One's core feedback is a gentle haptic nudge in the moment your breathing pattern shifts, pointing at something you can act on right now with a slow exhale. A morning grade can only be worried about retroactively; a nudge arrives while the state is still yours to change. And the nudge is built to make itself less necessary: it pairs the feeling of rising arousal with the signal, so you learn to catch the shift yourself, and needing the prompt less over time is the intended outcome, not a churn problem. Whether we fully deliver on that is fair to judge when the device is on your collar. The philosophy is on our about page in plain sight, and how our approach differs from score-first wearables is laid out in our comparison with Oura and Whoop.

When to see a professional

If poor sleep, or worry about sleep, is genuinely degrading your days for more than a few weeks, that deserves a clinician, not a better wearable, and effective treatment for insomnia exists. Take the device data along by all means, and let a human interpret it. Alveos One is a wellness device for tracking your breathing patterns. It does not diagnose or treat insomnia, anxiety, or any other medical condition.

FAQ

What is orthosomnia?

A term coined by sleep clinicians in 2017, from a three-patient case series, for a perfectionist preoccupation with achieving ideal sleep-tracker numbers. It is a description of a pattern, and it captures the recognisable everyday version: distress driven by the score itself, with the sleep as bystander.

Can a sleep score actually change how I feel?

The controlled evidence says yes. Adults with insomnia given falsely negative feedback about their night reported worse alertness and more fatigue by evening than those given positive feedback, while objective performance tests showed no difference between the groups. The effect ran through belief, and it was strong enough to shape the whole day.

Should I stop wearing my tracker?

Not necessarily. The useful test is what the data changes: if it feeds decisions and habits, it is earning its place, and if it mostly feeds checking and worry, a break costs you nothing. Dr. Gowda's advice from eight months of wearing two disagreeing trackers: read any single device against other sources, including the one wearing it.

My tracker says I slept badly but I feel fine. Which is right?

Treat it as a disagreement between witnesses, one of which is you. Consumer devices estimate sleep indirectly and imperfectly, and your felt state is data too. If the mismatch is persistent and comes with real daytime symptoms, take it to a clinician.

Does Alveos One give a sleep score?

Alveos One is built around a different loop: it senses your breathing continuously and offers a gentle nudge when your pattern shifts, so the primary feedback is in the moment, and actionable. It shows you your breathing patterns as data, and the same keep-your-agency rules in this article apply to reading them.

Sources

  • Gavriloff D, Sheaves B, Juss A, Espie CA, Miller CB, Kyle SD. "Sham sleep feedback delivered via actigraphy biases daytime symptom reports in people with insomnia: implications for insomnia disorder and wearable devices." Journal of Sleep Research, 2018;27(6): pubmed.ncbi.nlm.nih.gov

  • Baron KG, Abbott S, Jao N, Manalo N, Mullen R. "Orthosomnia: Are Some Patients Taking the Quantified Self Too Far?" Journal of Clinical Sleep Medicine, 2017;13(2):351-354: pmc.ncbi.nlm.nih.gov

  • Gowda A. "Exhaling Data: The Promise and Perils of Wearable Technologies" (doctoral dissertation, ProQuest); and conversation on Art and the Science of Breathing (E14): alveoslabs.com

  • Alveos, "About alveos" (agency framing): alveoslabs.com

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Intended use

Alveos One is a wellness device. It is not intended to diagnose, treat, cure, or monitor any disease. Research described on this page is not a current product feature.


Patent

Alveos One uses a patented acoustic sensor.

© 2026 Alveos. All rights reserved.

Built with

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Alveos One should not be used with a pacemaker or other implanted medical device.

Alveos One contains magnets and attaches to clothing using a magnetic counter-piece. It has not been validated for use by individuals with pacemakers, implantable cardioverter-defibrillators (ICDs), or other implanted or magnet-sensitive medical devices.

If you have an implanted medical device, do not use Alveos One or place it near the device unless your doctor or the device manufacturer has confirmed that it is safe.

Alveos

Alveos LLC

We build technology that expands human agency.

Kaitatie 10 C,
02360 Espoo, Finland

Intended use

Alveos One is a wellness device. It is not intended to diagnose, treat, cure, or monitor any disease. Research described on this page is not a current product feature.


Patent

Alveos One uses a patented acoustic sensor.

© 2026 Alveos. All rights reserved.

Built with

in Finland

alveos

Alveos One should not be used with a pacemaker or other implanted medical device.

Alveos One contains magnets and attaches to clothing using a magnetic counter-piece. It has not been validated for use by individuals with pacemakers, implantable cardioverter-defibrillators (ICDs), or other implanted or magnet-sensitive medical devices.

If you have an implanted medical device, do not use Alveos One or place it near the device unless your doctor or the device manufacturer has confirmed that it is safe.

Alveos

Alveos LLC

We build technology that expands human agency.

Kaitatie 10 C,
02360 Espoo, Finland

Intended use

Alveos One is a wellness device. It is not intended to diagnose, treat, cure, or monitor any disease. Research described on this page is not a current product feature.


Patent

Alveos One uses a patented acoustic sensor.

© 2026 Alveos. All rights reserved.

Built with

in Finland

alveos