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

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

Sleep also enables the body to repair and replenish cellular material that is damaged or depleted. Important bodily functions such as the production of hormones, tissue growth and muscle repair, for ...

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

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

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

“Drink plenty of water during the day because this will help your body to keep itself cool at night,” recommends Elder. “Before going to bed, a cool or lukewarm shower, or foot bath, can be a good way ...

Seasonal changes have long influenced human behavior, but one shift is especially noticeable — how much we sleep. As daylight ...

Sleep is known to be central to various physiological and mental processes, including the consolidation of memories, ...