Apple Watch users who wake up to inconsistent sleep data have a real problem: the device tracks sleep using optical ...

ATLANTA (AP) — Your watch says you had three hours of deep sleep. Should you believe it? Millions of people rely on phone apps and wearable devices like rings, smartwatches and sensors to monitor how ...

When your sleep is measured, it becomes easier to make small changes that help. Discovery’s analysis shows that insufficient sleep is associated with: Sleep also helps you stay safe on the road.

A middle-age woman with high blood pressure and epilepsy gained 50 lb over the course of 2 years. What was the best approach to diagnosing her problem? The solution was to sleep on it, said Nancy ...

Please provide your email address to receive an email when new articles are posted on . Models for sleep staging with behind-the-ear EEG compared favorably with expert consensus. Staging for REM sleep ...