Not that this question has been puzzling me a lot, but I still would like to know Do fish sleep? And if yes, how? I can’t agree more, that everyone needs rest and sleep. But, I am just curious HOW?

Not that this question has been puzzling me a lot, but I still would like to know Do fish sleep? And if yes, how? I can’t agree more, that everyone needs rest and sleep. But, I am just curious HOW?
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