alzheimer's disease, Rapid eye movement sleep

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.
REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...
Alcohol is often used as a sleep aid – with some people crediting a "nightcap" with helping them fall asleep more easily. But ...
Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.