REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in which your eyes move rapidly. If you've ever caught your dog or cat in a REM ...

A good night’s sleep isn’t just about the number of hours you log. Getting quality sleep — the kind that leaves you feeling ...

Biological functions related to sleep and emotional processing are integral to human brain function but often remain ...

When in doubt, ask an expert. Dr. Michael Breus, PhD, simplifies and differentiates REM sleep vs. deep sleep for us. REM ...

Tirzepatide is now approved for the treatment of obstructive sleep apnea, highlighting the drug class' potential in sleep medicine.

In the stillness of the night, when the body should lie calm in sleep, something else may be happening beneath the surface.

The brain's ability to process information deteriorates with age. However, there are neurological strategies that slow it ...

Yes, you do burn calories while you sleep. Doctors explain how to determine exactly how many you burn while sleeping based on ...

“On day 1, the brain doesn’t represent the space very well,” says research scientist Wei Guo, the study’s lead author.

Think you know how much sleep you need? Experts break down the science behind sleep stages, personal needs and what happens ...

We asked the experts to share three reasons why you should nap during the day and three reasons you should resist daytime ...