Most cat owners know their pets spend a lot of time asleep, but fewer realize how they sleep might matter. A recent study looked at over 400 videos and found that cats aren’t just napping at random.

Why do cats sleep so much? According to PetMD, on average cats sleep about 15 hours a day. They say some sleep as many as 20 hours a day. A cat’s frequent slumber can be chalked up to a few ...