Your sleep data is screaming long before you feel exhausted, and three red flag metrics consistently predict trouble. I focus ...

If you use a sleep tracker at night, these are the three metrics you should be paying attention to in the morning.

A restful night's sleep is something many people wish they could achieve but never do. With the demands of work, family and everything in-between, many people find themselves tossing and turning in ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After tracking my sleep every night for a year, I have some answers. Owen Poole, a ...

More than one-third of Americans have turned to apps or devices to track the quality of their sleep. But do sleep trackers help you get better sleep? Now, more people than ever before have their eyes ...

Don’t want to wear a fitness tracker to bed? The Google Nest Hub is your solution for effortless sleep tracking without wearing anything on your wrist. Thanks to its built-in Sleep Sensing feature, it ...

(CNN) — I’m captivated by my new personal health tracker, a Christmas gift from my husband. It’s fascinating to know my heart rate, respiration, activity, readiness and stress levels at any moment.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Using a wearable might seem like a foolproof way to learn about your body. But when it comes to sleep, ...

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any ...

ATLANTA — The fascination with sleep trackers hasn't waned. Enough people fret over their sleep data trying to get a perfect night's sleep that sleep specialists have coined a term for the behavior: ...