The best sleep trackers can accurately track your REM sleep, monitor your heart rate and so much more. After thorough testing, we've found the best sleep tracking devices to help you get a good ...

If you've resolved to get better sleep in 2025, allow me to recommend one product that has changed my sleep game and could change yours: sleep earbuds. ZDNET staffers conducted hands-on testing ...

The effects of sleep deprivation have been well studied. Sleep deprivation happens when you do not get enough sleep, or good quality sleep, to meet your body's needs. Not getting adequate sleep ...

Though scientists are still investigating all that happens in our brains and bodies during sleep, what has been discovered is clear: When it comes to mental well-being, sleep matters tremendously ...

Blues guitarist and singer Sleepy John Estes was born into a family of sharecroppers on January 25, 1904. His nickname came via an accident: He lost an eye in a baseball game in his teens ...

If you struggle with sleep issues, you're not alone. It's estimated that 50 to 70 million Americans currently experience a sleep disorder, with over one-third of adults not sleeping enough.

Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can influence your overall health.

A hypnic jerk is a sudden involuntary twitch or muscle contraction that occurs as you fall asleep. Also known as sleep starts, these hypnic jerks may jolt the entire body or affect only one part, like ...

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