Big cats on the Internet generally refer to large cats.

Large cats of the subfamily Leopardae: tigers, lions, jaguars, leopards, and snow leopards. Large cats in the subfamily Felis: pumas, cheetahs.

Cats are recognized as the most sleeping animals in the world. They sleep 19 hours a day. Lions can often be seen taking a nap under the trees. It is completely safe for lions to sleep in open spaces because no animals can pose a threat to their lives.

Lions live on the African grasslands and are the only cats that live in groups.