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 ...

When sleep is skipped, the brain tries to sneak in those fluid pulses during wakefulness, especially when attention slips. "One way to think about those events is that your brain is so in need of ...

Exploding head syndrome may sound like something out of a science fiction movie—but in fact it’s a very real sleep disorder. People with this sleep phenomenon are prone to experiencing loud and sudden ...

“Sleep is for the weak” may sound like a motivational slogan, but science tells us otherwise. In our fast-paced world of deadlines, late-night scrolling, and endless responsibilities, sleep is often ...