Your brain has a built-in "nighttime dishwasher"

Did you know your brain literally washes itself while you sleep?

When you fall into a deep sleep, a cleanup crew called the glymphatic system turns on. Your brain cells physically shrink by 60%, allowing protective fluid to rush through like a dishwasher cycle, flushing out toxic waste and daily debris.

Skip sleep, and you skip the wash cycle—leaving your brain foggy, sluggish, and cluttered the next day.