REM Sleep Behavior Disorder causes more than dream enactment—it’s a powerful clue to neurodegenerative disease risk.

Spending less time in slow wave and REM sleep may accelerate brain atrophy in regions affected early in Alzheimer’s disease, ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." (Leah Abucayan, ...

How long your nap should be is subjective and depends on your individual sleep habits and sleep needs. Essentially, around 20 ...

Hitting the snooze button might be doing you more harm than good, ensuring your natural sleep cycle is constantly disrupted ...

Following deep sleep, REM sleep is the next critical phase of sleep cycles, characterized by more dreaming that’s also extra ...

A new soft contact lens monitors eye pressure and motion during sleep, helping detect glaucoma and other health issues.

From excessive screen time to consuming caffeine close to bedtime, these habits can leave you feeling tired all day and ...

One in three Americans don’t get enough sleep. That can leave them at risk for negative health outcomes — so Julia Musto ...

“As the humidity increases, this makes it harder for our body to sweat normally,” says Elder. “This means that during hot ...

A new kind of smart contact lens is poised to revolutionize how we monitor eye health. Designed to work even when the eyes are closed, this ...