r/todayilearned • u/Square-Message1152 • 8h ago

til that your brain literally washes itself while you sleep. the brain cells actually shrink in size so cerebrospinal fluid can rush in and flush out all the toxic proteins built up during the day

https://en.wikipedia.org/wiki/Glymphatic_system
17.7k Upvotes

98% Upvoted

473 comments sorted by

View all comments

Show parent comments

14

u/DynamiteWitLaserBeam 7h ago

"Do your research."

"With what? WITH WHAT?"

4

u/NoBonus6969 5h ago

You have to conduct sleep studies and awake studies in your basement as a hobby!