Fish don’t need to close their eyes to sleep. They just stop moving and rest in a quiet place, like a cozy bed underwater. Some fish even change color or slow down their breathing to show they are sleeping.
Examples
- A goldfish floats gently near the top of its bowl while it sleeps.
- A shark stops swimming and stays still at the bottom of the ocean.
- A fish hides among rocks and barely moves during the day.
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See also
- How Do Fish Sleep Without Falling to the Bottom of the Ocean?
- How Do Fish Sleep Without Going to Bed?
- How Do Fish Sleep Without Drowning?
- How Do Fish Know Which Way to Swim?
- How Do Fish Know When to Migrate?
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