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How giraffes sleep





Few people have ever seen a sleeping giraffe. In fact, most of these high animals the most modest need for sleep among mammals. They sleep fitfully for only half an hour a day (in total). Until the 1950s, researchers believed that giraffes never sleep.published









































P. S. And remember, only by changing their consumption — together we change the world! ©

Source: mixstuff.ru/archives/81580
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