#DidYouKnow?07



Sleep is fundamental to all mammals, but needs can vary from specie to specie.

Mammals that sleep the most:
• Bat: 19,9 hours a day
• Giant Armadillo: 18,1 hours a day
• Squirrel: 15 hours

Mammals that sleep the least:
• Horse: 2,9 hours a day
• Asian Elephant: 3 hours a day
• Cow: 4 hours a day

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