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

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

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

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.

Keeping up with one hobby may regulate the body's 'circadian rhythm' that governs the sleep-wake cycle, a specialist told the ...

Medically reviewed by Sanja Jelic, MD A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is ...

Health experts at one of the world's leading institutions have explained how understanding one thing about sleep can ...

You can do better than sleeping pills or counting sheep. From free apps and wearable trackers to smart mattresses and climate-control solutions, rest better with the best sleep tech we've tested.

A delay in getting to the rapid eye movement (REM) stage of sleep may be linked to Alzheimer's disease and related dementias, a new study indicates.

There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing your daily experiences and banking shorter and longer-term memories.

They’re widely touted for giving us deeper insights into the quality of our rest – but are sleep tracking devices really ...

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