Observatoire des droits humains (anglais seulement)

How do sleep trackers work, and are they worth it? A sleep scientist breaks it down

(Version anglaise seulement)

par Dean J. Miller, Senior Lecturer, Appleton Institute, HealthWise Research Group, CQUniversity Australia

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions.

Wear your watch or ring to bed, and you’ll wake up to a detailed sleep report telling you not just how long you slept, but when each phase happened and whether you had a good night’s rest overall.

Surfing is done in the ocean, planes fly in the sky, and sleep occurs in the brain. So how can we measure sleep from the wrist or finger?

The gold standard of sleep measurement

If you’ve ever had a sleep study or seen someone with dozens of wires attached to…

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