When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists ...

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove waste that accumulates during waking hours. In a 2019 study, Lewis and her ...

Getting enough sleep is one of the most effective ways to restore metabolic balance in the brain and body. SimpleImages/Moment via Getty Images You stayed up too late scrolling through your phone, ...

A trend called sleep syncing claims to get you back on track, but does it actually work?

CAMBRIDGE, MA -- Nearly everyone has experienced it: After a night of poor sleep, you don’t feel as alert as you should. Your brain might seem foggy, and your mind drifts off when you should be paying ...

If the organ doesn't get time to clean itself at night, it'll find (often inconvenient) time during the day.

Recent research has unveiled the intricate processes through which sleep contributes to brain health and cognitive sharpness. A study from the Massachusetts Institute of Technology (MIT) has shed ...

Researchers have discovered neurons in mice that help their brains track and recover from sleep debt. If a similar pathway exists in humans, it could improve treatments for sleep disorders and other ...