Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Have you ever wondered what actually happens in the brain during sleep? While your body appears still and at rest, your brain remains highly active, carrying out essential processes that keep you ...

The sleep cycle has three NREM stages and one REM stage. Deep sleep occurs in stage 3 and is crucial for feeling refreshed. REM sleep helps in processing and storing memories. As we sleep, our brain ...

If you find it hard to focus after a wakeful night, it’s because your brain is busy trying to catch up on crucial ...

If you've been looking for a sign to work on your sleep hygiene, this is it. A new study suggests that a particular wave of sleep, called slow-wave sleep, plays an integral role in staving off ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...

Getting a good night’s sleep seems simple enough, but for 70 million Americans struggling with chronic sleep issues, it’s anything but easy. While many turn to sleep aids for relief, groundbreaking ...

A new study found waves of brain aging occur at ages 57, 70, and 78. Some healthy habits can combat mental decline by improving memory and cognition. Brain aging accelerates at three specific points ...

“Sleep is important to restore the body, but also to clear waste in the brain,” says Brian Koo, MD, a neurologist and assistant professor of neurology at Yale School of Medicine in New Haven, ...

Next the study authors decided to look at how the popular sleep aid Ambien, or zolpidem, affects the brain's cleaning process. After administering it to the mice, they found that it blocked the waves ...