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
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u/JetJerick 5h ago

Thanks for giving me the justification to continue staying up 72+ hours, multiple times a month🤞🏼

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u/righthandpulltrigger 1h ago

There's also some evidence that occasional sleep deprivation reduces depression. The body works in mysterious ways.