When you zone out after pulling an all-nighter, the brain flushes out cerebrospinal fluid (CSF), which surrounds the brain ...

Fact checked by Jennifer Klump About the Author Dr. Smita Patel is an integrative neurologist and is affiliated with Endeavor ...

The pillow is cold against your cheek. Your upstairs neighbor creaks across the ceiling. You close your eyes; shadows and light dance across your vision. A cat sniffs at a piece of cheese. Dots fall ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

For adults in midlife, difficulty getting to sleep and waking up too early may accelerate brain atrophy that is associated with dementia. The brain naturally begins to atrophy beginning in one’s 30s ...

Daytime “wash cycles” help clear waste from the brain but cause momentary drops in attention after sleepless nights.

Share on Pinterest Research has found that deep sleep is crucial for the formation of memories. Amor Burakova/Stocksy Getting enough sleep is an important part of a person’s overall health. Poor sleep ...

A hidden sleep switch in the brain triggers a sharp tipping point about four minutes before standard sleep onset.

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 ...

People in dangerous jobs don’t usually sleep well. New research is investigating if their susceptibility to concussions and poor sleep could put them at greater risk of developing epilepsy. The ...