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This Is How Giraffes Sleep

This Is How Giraffes Sleep

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Take a good look at these giraffe nap pics, because you won't often catch a giraffe sleeping. In fact, despite being the tallest animal, giraffes have the shortest sleep requirements of any mammal, sleeping an average of just 30 minutes per day. And when they do sleep, usually it's just for a few minutes; until the 1950s, researchers believed that giraffes don't sleep at all. So while these sleeping beasts might not seem very impressive, you're witness something few people have ever seen!

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Tags: giraffe   sleep   
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