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How do fish sleep at night?

Oliver Brown | 2023-06-05 17:46:10 | page views：1495
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Charlotte Henderson

Studied at the University of Tokyo, Lives in Tokyo, Japan.
The simple answer is yes! They are sleeping, and they can sleep at any time during the day or night. Fish do sleep with their eyes open, because they don't have eyelids (except for some sharks) to close! ... For fish, sleep is more like a resting period similar to a daydream that humans might experience.
2023-06-12 17:46:10
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Benjamin Lee

QuesHub.com delivers expert answers and knowledge to you.
The simple answer is yes! They are sleeping, and they can sleep at any time during the day or night. Fish do sleep with their eyes open, because they don't have eyelids (except for some sharks) to close! ... For fish, sleep is more like a resting period similar to a daydream that humans might experience.
Do Fish Sleep with Their Eyes Open? | Wonderopolis
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