10 interesting facts about how animals sleep (10foto)

1. Males average 13-14 hours of sleep during the day and at night wandering around the house. The fact that in the wild they tend to hunt at night. Big cats such as tigers, too, can be a long time to sleep. King of the jungle does not need to be constantly on the alert to protect themselves.


2. Dolphins may doze off, so that only one half of their brain will remain a dream. So in one hemisphere may experience slow wave sleep, while the other half will be awake.

3. Horses and cows can sleep standing up, but can not dream, until will fall.

4. Giraffes can go without sleep for weeks.


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