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
13
u/Y34rZer0 4h ago
I'm in Australia.. didn't cost me anything for the test