Why do cats sleep so much?

Cats sleep a lot because they have an ancestral instinct to conserve energy for hunting [1].

Cats are wired as stalk-and-rush hunters, and so they need to sleep in order to restore their energy for hunting activities such as stalking [2], chasing, pouncing, climbing, and running.

Additionally, cats may sleep more when they are bored or stressed, as this helps them to cope with their environment.

Finally, cats also need a lot of sleep in order to keep their immune systems strong and healthy.

There are a few other things you should know about cats and their sleeping habits.

For example, cats tend to sleep more in the evenings, as this is when they are most active and energetic.

Additionally, cats may sleep more during the winter months, as this is when they are most likely to be in a state of torpor, which helps them conserve energy and stay warm.

Finally, cats may also sleep more if they are bored or stressed, as this helps them cope with their environment.