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

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

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

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

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

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

A sleep expert details why you wake up groggy from a nap and how to make the most of your snack-sized slumber.

What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human animals know from experience that we need to sleep, ...

Delayed REM sleep may be linked to a higher risk of Alzheimer’s disease, new research found. Here's how to build a healthy sleep routine.

Researchers at the RIKEN Center for Brain Science (CBS) have uncovered how perceptual memories linked to positive emotions, ...

I asked Dr. Acostamadiedo what causes night terrors, hallucinations and other parasomnias, to get to the root of my recurring ...