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.
See also
- Why Do We Yawn When We're Tired?
- Why Do People Talk in Their Sleep?
- How Can a Single Seed Grow into a Tree?
- Why Do We Blink?
- Why Do We Need Sleep?
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Categories: Biology · fish· sleep· biology· aquatic life · Text is available under the Creative Commons Attribution-ShareAlike License.