One reason that kittens sleep so much is because a growth hormone is released only during sleep.

One reason that kittens sleep so much is because a growth hormone is

More from the Animal Facts niche...

Animal Facts

Puppies have 28 teeth and adult dogs have 42

Animal Facts

When dogs wag their tails, they may be expressing happiness. But this

Animal Facts

Cats have five toes on each front paw, but only four on the back ones.

Animal Facts

A commemorative tower was built in Scotland for a cat named Towser, who

Animal Facts

Black cats are bad luck in the United States, but they are good luck in

Animal Facts

Only 24% of cats who enter animal shelters are adopted