SleepShred
Wearable sleep technology in clinical and research settings
de Zambotti M, Cellini N, Goldstone A, Colrain IM, Baker FC · Medicine & Science in Sports & Exercise 51(7):1538–1557 · 2019
Key finding
Review of what wearables can and cannot measure; stage classification and 'sleep scores' lack validation.
Citation
Related guides
Related studies
OrthosomniaCase series of people whose fixation on tracker data worsened their sleep — Galpin's health-anxiety warning has a name.Performance of seven consumer sleep-tracking devices compared with…Consumer devices estimated total sleep well but were poor at sleep stages — trust duration, not deep/REM.
Track it, don't guess it
SleepShred turns this research into a 20-second daily habit: log your night, see which of your own behaviours move your sleep, and screen for the disorders nobody diagnoses.
Get SleepShred for iPhoneEducational summary of published research, not medical advice. Screening scores are not diagnoses. If a score is elevated or you feel unwell, talk to a clinician.