How do whales sleep?
Whales let one half of the brain sleep at a time so they are never completely unconscious, but it still gets the rest it needs!
Answered
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Older Answers
Whales and dolphins let one half of the brain sleep at a time. In this way, the animal is never completely unconscious.
Answered by Justin J. -
Whales sleep only partially. Only half their brain shuts down for 'rest' sometimes up at the surface so their blow hole is open.
Answered by Caroline H. -
Furthermore, the whale sometimes slept with both eyes open, sometimes with one eye open. ChaCha again!
Answered by Sommer B. -
Whales let one half of the brain sleep at a time. This way, the animal is never completely unconscious, but still gets rest.
Answered by Marc P. -
Whales let one half of the brain sleep at a time. This way the animal is never unconscious, but it still gets the rest it needs.
Answered by William P. -
Half of their brain shuts down while the other half works, so they never "sleep" like we do. Have a great night and ChaCha!
Answered by Kimberly I. -
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About Whales
The largest mammal on the planet is the water-dwelling whale, even larger than the largest of the dinosaurs. There are many different types of whales, ranging in size from the dwarf, or pigmy, sperm whale, that is 8.5 feet long up to the blue whale, that is about 115 feet in length. The blue whale was about the same length as a Brachiosaurus, yet the whale's weight is about 170–190 tons, while in comparison the Brachiosaurus weighed only about 70-80 tons.
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