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

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

To put this into perspective, you actually burn similar amounts of calories sleeping as you do sitting down. "They both burn ...

The dream is real and you feel refreshed—except you’re wide awake, just having a great trip. Scientists have long ... REM kingdom while we’re awake? And if so, does the brain need less sleep ...

When in doubt, ask an expert. Dr. Michael Breus, PhD, simplifies and differentiates REM sleep vs. deep sleep for us. REM sleep = Mental restoration Deep sleep = Physical restoration REM sleep is ...

KyoungBin "Kevin" Im, MD, MS, associate clinical professor and sports psychiatry services medical director at UC Irvine ...

All human beings need sleep. We spend a third of our lives asleep, and it’s as important as food, water or air to our survival. While scientists are still working to understand the exact nature of ...

When you’re trying to figure out how much sleep you need, it’s important to think about the quality of it, Pelayo said: “What you really want to do is ... spent in rapid-eye movement sleep ...