Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.

Recent studies reveal how the timing of dreams may offer clues to Alzheimer's risk. How sleep patterns impact cognitive health and prevention.

Waking up tired despite getting enough sleep? Only specific sleep phases grant restorative rest, and you might be missing out ...

Alcohol is often used as a sleep aid – with some people crediting a "nightcap" with helping them fall asleep more easily. But ...

TAKING an afternoon nap increases problem-solving brain power, scientists say. A study tested 58 people under 30, with half ...

A new study published in The American Journal of Drug and Alcohol Abuse has discovered that sleep problems may be a key ...

As scientists unravel how sleep benefits the body, a study in mice is highlighting the potential pitfalls of using Ambien and other sleeping pills.

New research on ‘slow-wave sleep’ may have implications for others battling insomnia, including people with anxiety and ...

People who make a habit of sleeping on the job comprise a secret society of sorts within the U.S. labor force. Inspired by ...

Shorter naps only include stage-two sleep, which is particularly helpful for alertness and memory, said Sara Mednick, a sleep ...

Another big cause of nighttime awakening is caffeine. Caffeine has a half life of 5 hours, meaning it can take 5 hours for ...

Sleep is an essential, often overlooked aspect of our physical and mental health. Acquiring adequate sleep can have ...