Orthosomnia: When Your Sleep Tracker Becomes the Reason You Can't Sleep

The morning that starts with a number

You wake up. Before you notice whether you feel rested, you reach for your phone and check the score. 61. "Poor." Deep sleep: 38 minutes, flagged in red. Verdict delivered before the kettle has boiled.

"It's when monitoring your sleep becomes the thing that destroys your sleep," says Maksim, Zomni's co-founder, who went through this cycle himself before he learned it had a name. That name is orthosomnia.

Most explainers stop at the definition. Here we follow one clinical case from gift to chronic insomnia, then watch a clinic undo it. Few people expect the fix.

What orthosomnia is (and isn't)

Orthosomnia is an unhealthy preoccupation with achieving "correct" sleep, driven by the numbers a wearable or an app reports. The word combines ortho (straight, right, proper) and somnia (sleep), and it was modelled on orthorexia, the fixation on eating correctly. Kelly Baron and colleagues at Rush University and Northwestern coined it in 2017 after describing patients seeking help for sleep complaints that were anchored to their tracker data rather than to how they felt or functioned.

Three caveats before we go further:

• It is not an official diagnosis. Orthosomnia does not appear in the International Classification of Sleep Disorders or the DSM. Sleep specialists recognise it as a clinical pattern, and researchers in Bergen published a questionnaire to measure it in 2025.
• It is not the same as insomnia — but it can become insomnia. Insomnia is difficulty falling or staying asleep with daytime consequences. Orthosomnia is worry about sleep data. Left unattended, the second can feed the first — in Baron's case reports, nights deteriorated as the chase for better numbers took over, although one patient's insomnia predated the gadget.
• It overlaps with a broader unease about being without a phone. A 2021 survey of young adults found symptoms of nomophobia — distress at being without a phone — clustered together with insomnia symptoms. Wearables hand the phone one more excuse to stay on the nightstand.

How a gift became six months of insomnia

A practising somnologist described the following patient, drawn from his own caseload, in a public lecture. Details are his; the arc is textbook.

A man in his thirties came in with trouble falling asleep, night wakings, early wakings and the usual daytime fallout: irritability, brain fog, shaky concentration. Six months earlier, his girlfriend had given him a fitness tracker with sleep monitoring. He was, by his own description, a bit of a hypochondriac — the kind of person who notices every symptom.

Every morning the device recited the same litany: not enough deep sleep, short sleep duration, "you're not recovering," a sleep score of 60 when it should be 90.

Here is the hinge of the story. Since adolescence this man had needed six, at most seven, hours and had felt fine on them. He was a natural short sleeper. But the device carried a factory-set norm — roughly seven to nine hours — and everything beneath it was stamped insufficient.

So he did the logical thing. To bank more sleep, deep sleep included, he started spending more time in bed.

Within a fortnight he was struggling to drift off; the mattress felt hostile. Then the night wakings began. Six hours of solid, consolidated sleep had been stretched across eight or nine hours in bed, and rest spread that thin turns shallow and fragmented. Now the wristband had something genuinely bad to report, which confirmed the worry. From the moment he woke he was rehearsing the coming night. By evening, dread. Lying there trying to force sleep, he noticed the mattress, the pillow, the streetlight, the draught. Bed itself became a cue for being awake.

Six months after the gift: chronic insomnia. And the wristband was still awarding him a score every morning.

What your tracker measures well — and what it guesses

Nothing in that story required a faulty device. All it took was a reasonable device, read the wrong way.

Consumer wearables are decent at the coarse outline: bedtime, rough duration, long awakenings, rising time. Those are accelerometer-based estimates, and for most people they land close enough to be useful.

Sleep stages are a different matter. Light, deep and REM are defined by brain waves, which no wrist or finger sensor can see. Devices infer stages from heart rate, movement and breathing. Across a hundred people the averages line up tolerably with the lab. For any individual on any given night, the estimate can miss by a wide margin — half the deep sleep you actually had, or twice as much. In the 2023 multicenter validation of 11 consumer trackers, stage-level agreement with polysomnography was only fair to moderate, and quiet wakefulness was frequently logged as light sleep. A position statement from the American Academy of Sleep Medicine makes the same point: consumer sleep technology is not validated for clinical decisions and is no substitute for evaluation.

So a single night's "deep sleep: 38 minutes" is not a measurement. Call it a guess with a decimal point.

How much deep sleep do you actually need?

This is the question behind most low-score anxiety, and the honest answer is: less than the red bar implies, and it depends on your age.

A meta-analysis of sleep-lab studies in healthy people across the lifespan found that slow-wave (deep) sleep is a modest share of the night in young adults and declines steadily with age. A fifty-year-old with noticeably less deep sleep than a twenty-five-year-old is not broken; that is what healthy ageing looks like on a polysomnogram. Athletes, teenagers and anyone recovering from a run of short nights tend to show more of it; retirees, less.

There is a second wrinkle that this patient illustrates. Trackers judge deep sleep against a template built for a standard night, so a natural short sleeper who is fully rested on six hours can post fewer absolute minutes of it than someone who needs eight — the physician's example is an hour rather than ninety — and the one-size norm flags the shortfall. Nothing is wrong with the minutes. What is wrong is what they mean for this person.

No screen holds the useful test. That test is whether you stay alert through the day without fighting sleepiness. If you are, your deep sleep is doing its job.

The math behind the trap: more time in bed, worse sleep

Sleep clinicians use a simple ratio called sleep efficiency: the time you are actually asleep divided by the time you spend in bed. Healthy sleepers hover around 85–90 percent or higher.

Watch what the wristband's advice did to that number in the case above. Six hours asleep in six and a half hours in bed is about 92 percent — excellent. Spread the same six hours across nine hours in bed and you get 67 percent. Nothing about the man's sleep need changed. His efficiency collapsed, and low efficiency is what shallow, fragmented, anxious nights feel like from the inside.

That is the core mechanism of orthosomnia: extra time in bed does not add sleep, it dilutes it. To see your own ratio, our sleep efficiency calculator does the arithmetic in ten seconds — and, unlike a score, tells you what to change.

Are you scoring your sleep? A quick self-check

Baron's case reports and the somnologist's consulting room describe identical behaviours. The more of these ring true, the more the numbers have become the problem:

• You check the score before you check how you feel — and the score wins the argument.
• A "poor" night makes you feel worse after you read it, even when you woke up fine.
• You have gone to bed earlier, stayed in bed longer, or cancelled evening plans to protect the number.
• You have bought a second gadget, or installed another app, hoping for cleaner numbers.
• Tonight's sleep crosses your mind at lunchtime, and the thought carries a small charge of dread.
• "I have to sleep" has replaced "I'm going to bed."

That last one is the tell. Ask a carefree good sleeper what they do to nod off and they will shrug: nothing, I just go to bed. Sleep is a process that unfolds once you stop supervising it. Once it becomes a task you must complete, the supervising mind stays switched on — hypervigilance, in clinical terms — and a mind left switched on does not sleep.

What to do if the score is running your nights

Step 1: A data holiday

If you recognised yourself above, the first experiment is free: a fortnight without looking at sleep data. Wear the band if you like, but leave the app shut. Judge each night by one breakfast question — do I feel roughly okay? — and by nothing else.

For plenty of people that suffices. Nightly audits stop, dread eases, and sleep does what it did before the gift. The clinician's advice for people who know they are impressionable is blunter: skip trackers altogether, because the harm can outweigh the use.

Step 2: If you keep the tracker, change its job

Trackers have a legitimate use, and it is not the one on the home screen.

Use the data for trends over weeks, never for verdicts on single nights: a consistent bedtime, a weekend lie-in creeping toward eleven, your average duration this month. Those questions a device answers well, and they are the ones that matter when you are regularising a timetable.

Ignore the stage pie-chart and the score. Ignore "12 percent less REM than yesterday." That is noise masquerading as insight, and the more impressionable you are, the more it costs.

Step 3: The counterintuitive fix — a shorter sleep window

When orthosomnia has already tipped into chronic insomnia, taking the tracker off is no longer enough. By then the bed has become a cue for wakefulness, and that conditioning needs undoing. The American College of Physicians' clinical guideline recommends cognitive behavioral therapy for insomnia (CBT-I) as the initial treatment for chronic insomnia, ahead of medication.

What the doctor did first with his patient runs against every instinct the tracker had trained: he limited time in bed to six hours — the minimum the man had ever needed — and created a mild, deliberate sleep debt.

Physiology explains why. Sleep pressure builds the longer you are awake. Push it high enough and it overrides the worry: you climb into bed too drowsy to supervise anything. Within about ten days the patient was falling asleep quickly. Nights knitted back together. Over the following weeks the window was widened in small steps — to six and a half hours, then, by roughly the third week, to seven. Fear of not sleeping faded because experience kept contradicting it.

Two further strands of CBT-I ran alongside: reframing catastrophic thoughts ("I won't cope tomorrow") and evening relaxation practice. Altogether the course took four to five weeks.

And the wristband? Still on his wrist — but with a new job. The somnologist repurposed it purely as a compliance check: was the patient actually keeping to the agreed six-hour window, or quietly "over-lying" by half an hour? For that, the device is accurate enough, and remote enough that a clinician can check it between visits. Nobody looked at the stages again.

This is sleep restriction therapy, the core behavioural component of CBT-I. Restriction works because it fixes the ratio from the section above instead of chasing the number on the screen. Nor is it a casual self-experiment: a sleep window below five and a half hours is not recommended, and sleep restriction is contraindicated with bipolar disorder or epilepsy and needs medical guidance if you have untreated sleep apnoea, are pregnant, or do safety-critical work. If you want to see what a starting window would look like from your own numbers, the sleep restriction calculator shows the arithmetic and the safety floor.

Trackers aren't the villain

Ending with "throw the ring in a drawer" would be easy, and that is not what the evidence says. In sleep medicine, wearables — an Apple Watch, an Oura ring, a Whoop band, a Garmin, a Fitbit, even a bedside radar puck — are genuinely useful as an accessible first screen for an irregular sleep–wake rhythm or a shifted body clock, as a way to see whether a schedule change is holding, and as a remote check-in that saves clinic visits. Their weaknesses are the ones every honest review lists: patchy validation against polysomnography, algorithms that differ from brand to brand, more numbers than anyone can interpret, and privacy questions buried in terms nobody reads.

Where to draw the line, the case makes obvious. A gadget can report what happened — bedtime, duration, roughly when you woke. Tonight's plan is beyond it, and it should never be allowed to tell you how you feel.

Measuring sleep vs changing it

If the pattern in this article has hardened into chronic insomnia — trouble sleeping most nights for three months or more, with consequences by day — the guideline answer is a structured CBT-I programme. Short of that, a clinician's assessment comes before any self-directed protocol, especially a shortened window. The programme itself: a fixed wake time, a sleep window sized to your real sleep, the bed reserved for sleep, and work on the thoughts that keep the supervising mind awake. Some people manage that through a clinic; others with a workbook; others with an app — and if it is an app, how to choose a CBT-I app and our side-by-side comparison of CBT-I apps show what separates a structured programme from a tracker with a coaching tab.

Zomni is a self-guided programme based on CBT-I principles, built around the sleep diary and the sleep window rather than around a score. No wearable is needed. Zomni was not part of any study cited here, has not been evaluated by the guideline bodies above, and does not diagnose or treat any condition. If checking a number every morning has become part of the problem, a method that asks you to keep a diary and follow a plan is a different kind of tool — one that gives that watchful mind something useful to do, and then tells it to stand down.

FAQ

What is the difference between orthosomnia and insomnia?

Insomnia is a recognised disorder with diagnostic criteria: trouble falling or staying asleep that spills into your days. Orthosomnia is a preoccupation with tracker data, not an official diagnosis, and it can breed insomnia by nudging people toward longer nights in bed. Above, six months of the first led to the second.

How is orthosomnia treated?

No protocol exists for orthosomnia by itself, because it is a pattern rather than a diagnosis. Clinicians usually start by taking the data out of the loop; once insomnia has set in they turn to CBT-I, especially a shortened window that reverses the lie-in behaviour the gadget encouraged. Guidelines put CBT-I ahead of sleeping pills for chronic insomnia.

Should I stop using my sleep tracker?

Keep it if it motivates you and your nights are fine. Once the score brings dread or bends your schedule, try a fortnight without the app; better nights without data are your answer. The clinician from the case above advises the impressionable to skip trackers altogether.

How much deep sleep do I need per night?

Less than a red bar implies: slow-wave sleep is a modest share of the night even in young adults, shrinks with age, and wrist devices only estimate it. Judge by daytime alertness instead.

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Medical disclaimer: This article is for informational and educational purposes only and is not medical advice. Zomni is a wellness application and is not intended to diagnose, treat, cure, or prevent any disease. Ask a physician or another qualified healthcare professional about persistent sleep problems.

References

• Baron, K. G., Abbott, S., Jao, N., Manalo, N., & Mullen, R. (2017). Orthosomnia: Are Some Patients Taking the Quantified Self Too Far? Journal of Clinical Sleep Medicine. DOI: 10.5664/jcsm.6472
• Jahrami, H., Trabelsi, K., Vitiello, M. V., & BaHammam, A. S. (2023). The Tale of Orthosomnia: I Am so Good at Sleeping that I Can Do It with My Eyes Closed and My Fitness Tracker on Me. Nature and Science of Sleep. DOI: 10.2147/NSS.S402694
• Guldbrandsen, B. V., et al. (2025). Development of a scale for measuring orthosomnia: the Bergen Orthosomnia Scale (BOS). Frontiers in Sleep. DOI: 10.3389/frsle.2025.1640355
• Jahrami, H., Abdelaziz, A., Binsanad, L., et al. (2021). The association between symptoms of nomophobia, insomnia and food addiction among young adults: findings of an exploratory cross-sectional survey. International Journal of Environmental Research and Public Health. DOI: 10.3390/ijerph18020711
• Ohayon, M. M., Carskadon, M. A., Guilleminault, C., & Vitiello, M. V. (2004). Meta-analysis of quantitative sleep parameters from childhood to old age in healthy individuals: developing normative sleep values across the human lifespan. Sleep. DOI: 10.1093/sleep/27.7.1255
• Lee, T., et al. (2023). Accuracy of 11 Wearable, Nearable, and Airable Consumer Sleep Trackers: Prospective Multicenter Validation Study. JMIR mHealth and uHealth. DOI: 10.2196/50983
• Khosla, S., et al. (2018). Consumer Sleep Technology: An American Academy of Sleep Medicine Position Statement. Journal of Clinical Sleep Medicine. DOI: 10.5664/jcsm.7128
• Qaseem, A., et al. (2016). Management of Chronic Insomnia Disorder in Adults: A Clinical Practice Guideline From the American College of Physicians. Annals of Internal Medicine. DOI: 10.7326/M15-2175