Are there animals that don't sleep?

  • Animal Sleep
  • Unihemispheric Sleep
  • Dolphins
  • Whales
Are there animals that don't sleep? zoom_in

No animal is known to completely avoid sleep. However, some, like dolphins and whales, sleep with one half of their brain at a time. This is known as unihemispheric sleep.

Sources & Related Links

en.wikipedia.org/wiki/Sleep_in_non-human_animals en.wikipedia.org/wiki/Unihemispheric_slow-wave_sleep
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Julia
Editorially reviewed Julia (February 9, 2024)
Jimmy
Answered Jimmy (February 9, 2024)

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