Sleeps for: 20 hours a day
Snooze Stats: Sloths are arguably the laziest animals in the animal kingdom. But who can blame them? If you moved as slowly as one of these guys, you'd be just as lethargic. The leisurely animals spend most of their day hanging out in the treetops of their rainforest homes. They do everything in these trees, from sleeping to giving birth. Why move when you can do everything in one place?