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