ELI5, why can’t we sleep with our eyes opened?

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Why can’t we sleep with our eyes opened?
I’m wondering… I mean, I know our eyes would dry out but there’s gotta be a bigger explanation?
I mean, why does our body feels the need to close it eyes? And can only rest with its eyes closed?

Could I trick my brain to sleep while my eyes are opened?

In: Biology

5 Answers

Anonymous 0 Comments

When I was a kid I had a habit of falling asleep with my eyes open. Apparently it freaked my parents out. I think I’d pretty well grown out of it by the tiem I hit 10 or so.

So it IS possible, but as others have said, not really practical from a rest perspective.

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