Question

which animal sleep without closing eyes​

Answer 1

Answer:

Snakes

This is down to a cool evolutionary feat called unihemispheric sleeping – the ability to rest one half of the brain at a time, leaving one eye open to look out for potential attacks. Or in some cases, just a lack of eyelids! Snakes actually sleep with their eyes 'open', as they don't have eyelids to close their eyes.

Answer 2

Answer:

snakes sleep without closing their eyes

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