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

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 sleep routine.

Exercise improves sleep quality and helps treat sleep disorders by regulating circadian rhythms, reducing stress, and ...

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

TIME moves at an entirely different speed in the dead of night. Hours can drag on at a glacial pace, and then, all of a ...

Veterans diagnosed with post-traumatic stress disorder may experience thrashing sleep, which can lead to more extensive ...

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

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

The American Heart Association says heart diseases are the leading cause of death in the US. Experts tell Digital Trends that ...