10 Facts behind how animals sleep

According to Dr. Adrian Morrison DVM PhD, a professor at the University of Pennsylvania School of Veterinary Medicine, human sleep is divided into two phases, namely non-REM sleep and REM. To get a good night's sleep, people have experienced two phases of the bed. But not so in animals. Then how do animals sleep? Is there a special way the animal sleep? Here we present unique facts about how animals sleep, as reported by the Huffingtonpost.
A. CatOn average cats sleep for 13-14 hours every day, and more awakenings during the night. This also applies to big cats such as lions and tigers usually hunt at night.
2. The dolphinsThe dolphins can swim with most of their brain to sleep. They could have non-REM brain waves that functions just like when humans sleep, while some of his brain remains awake.
3. Horse and CowHorses and cows sleep standing up. But they do not experience REM sleep in full. This causes the horses and cows can not sleep soundly, to dream, except when they sleep while lying down.
4. GiraffeGiraffe has a unique ability to resist sleep in har. This is because giraffes can stay awake for weeks without a nap.
5. Snails desertIf there is a good animal to sleep, probably snails desert is one of them. Desert snail can sleep up to three years in a row without waking up.
6. PlatypusDuring sleep, the platypus do the same with the movements when he was looking for prey. This is most likely to cover up that he was asleep, so that the prey or the enemy will not dare disturb him.
7. African papio baboonTo avoid predators, the monkey baboon papio African sleeping on top of the tree without lying. They can fall asleep while sitting and holding on to a tree.
8. BatBats sleep with his head facing down. This is certainly not without reason. This position is advantageous when there is an approaching predator. That way, they can simply fly to escape.
9. AlbatrosAlbatros is one type of bird that has a unique sleeping habits. No need to look for a nest to sleep, because the bird albatross can sleep while flying.
10. AntMost people think ants never sleep. When in fact, the worker ants to sleep as much as 253 times a day. How can it be? This is because they only took 1.1 minutes to one-time sleep.
Wow, is not unique habits of these animals while they sleep!