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 ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

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

The locus coeruleus is emerging as a major new area of research interest, with many important functions such as regulating ...

Prolonged rapid eye movement sleep latency may be an early indicator of Alzheimer’s disease and related dementias, according ...

A new study from the University of California, San Francisco, has identified a potential link between a common sleep problem and an increased risk of developing Alzheimer's disease ...

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

However, some research suggests that poor sleep could raise your risk of Alzheimer’s. A study published in November found ...

Taking longer to get to deep sleep or REM sleep can disrupt memory consolidation and emotional processing, affecting overall ...

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