Did you know that sperm whales sleep vertically?

🐳ANIMAL FACT🐳 Did you know that sperm whales sleep vertically? Whilst we spend most of our time vertical and then lay down to sleep, sperm whales do the opposite! They sleep at a depth of around 15 meters. They hang like this without moving for up to a couple of hours. To breathe, they swim to the surface, take a breath, and then go back down to keep sleeping.

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