How whale sleep - How can whales sleep in the water without drowning?

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Sleep how whale Sleeping Humpback

How can whales sleep in the water without drowning?

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How whales sleep

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How Do Whales Sleep?

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An Amazing Discovery: Sperm Whales Sleeping Vertically

How do killer whales sleep?

In water, a body loses heat 90 times as much as it does in air.

  • But humpback whales have been found sleeping on the surface for up to ½ hour.

Do Whales Sleep?

On average, whales sleep for about 7% of their day, with the exception of beluga whales, who can sleep for up to 30% of their day.

  • Killer whales or orcas can spend anywhere between 5 to 8 hours sleeping.




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