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submitted 1 day ago* (last edited 1 day ago) by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] cute_noker@feddit.dk 9 points 11 hours ago

So if you sleep for too long you go blind?

[-] Alcoholicorn@mander.xyz 17 points 10 hours ago

No, the capillaries on your eyelids supply o2.

If you fall asleep with contacts on or wear them too long, blocking the supply of O2, you will grow capillaries infront of your cornea. This is bad for vision.

this post was submitted on 25 Aug 2025
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