How Do Fish Sleep?


Fish don't sleep like humans sleep, but they do experience a state of decreased movement and metabolism. At this time the fish's heart rate slows down and they become unconscious, moving only enough to stay still within the water.
2 Additional Answers Answer for: how do fish sleep
Fish generally go into an energy saving mode of "rest" but do not "sleep" in the same way land animals do.
Since they do not have eyelids, they sleep with their eyes open.
Fish do not have eyelids so they do not close there eyes to sleep like everyone else. They will just stay very still in a corner and sleep.
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