REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

A good night’s sleep isn’t just about the number of hours you log. Getting quality sleep — the kind that leaves you feeling ...

Millions worldwide who turn to wearable devices for sleep insights are set to benefit from recommendations on the use of ...

There's also evidence that evening exercise can actually improve sleep because exposure to light later in the day can have a ...

Apple Watch sleep tracking works closely with the Health and Watch apps on your iPhone. Learn how to turn this feature on, ...

This sleek fitness tracker combines advanced health insights with an even more comfortable fit than its Gen3 predecessor.

How much sleep do you need? Experts break down the real science behind sleep stages, timing, consistency and what happens ...

The Forerunner 265 is the Rolls-Royce of trackers, with its lengthy list ... night), and how long you’ve spent in each sleep stage (light, REM, and deep). Checking out her daily sleep score ...

Wondering if cheap fitness trackers are accurate? See what reviewers say about their performance, reliability, and value for ...

KyoungBin "Kevin" Im, MD, MS, associate clinical professor and sports psychiatry services medical director at UC Irvine ...