A multiple sleep latency test (MSLT) is an objective way to measure sleep quality. It helps diagnose narcolepsy and insomnia.

Experts suggest that one simple habit could help you get a better night's sleep - and it's something you might enjoy ...

"There are several different methods you can try, a common one being the 4-7-8 technique ," she suggests. "For this, you ...

We ask an expert why REM sleep is so important, what happens if we don't get enough of it and how to get more REM sleep.

What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human ...

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

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 ...

Prolonged rapid eye movement latency may be a potential marker for Alzheimer disease and Alzheimer disease and related dementias.

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

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