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.

A new study has found that taking longer to reach the rapid eye movement (REM) stage of sleep is linked to a greater risk of ...

Taking longer to reach the rapid eye movement (REM) stage of sleep could mean you are more likely to develop dementia.

Health experts at one of the world's leading institutions have explained how understanding one thing about sleep can transform how you feel when you wake up. Scientists at Harvard Medical School in ...

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

As we all know, sleep is essential for helping the body to recover, repair itself and function at its best - but one thing ...

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 ...

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

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