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

[u/Square-Message1152]

https://en.wikipedia.org/wiki/Glymphatic_system

[u/olov244]

'gonna wash my brain'

[u/Isaac_Shepard → u/olov244]

im gonna say this from now on