Recent research reveals we dip into a sleeplike state as our brains flush out waste buildup.

When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In ...

New research finds that sleep is essential for protecting brain mitochondria by transferring toxic metabolic waste from neurons to glial cells for disposal.

Researchers show sleep protects neuronal mitochondria by transferring oxidative lipid damage to glial and blood cells. The ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When study participants took an attention test while sleep-deprived, their brain scans showed signs of a ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists discovered that these attention lapses coincide with waves of fluid washing ...

Nothing soothes the soul like a deep sleep. We all know the feeling: eyelids that refuse to stay open, a yawning mouth that refuses to stay closed, and a scattered mind that refuses to stay focused.

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 ...

MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and coordination. (CREDIT: Shutterstock) Everything’s a little off when you haven’t ...