It’s a coping mechanism for stress relief. Apparently, they feel safer at an enclosed space where they can observe potential threats or ambush their prey without being seen easily. They also love high places for the same reason. As a bonus point, most boxes are made of materials that cats can easily scratch, which they can do to relax and stretch their muscles.
Why is it that cats are so interested in paper boxes (or small rooms they can squeeze in) at all?
It’s a coping mechanism for stress relief. Apparently, they feel safer at an enclosed space where they can observe potential threats or ambush their prey without being seen easily. They also love high places for the same reason. As a bonus point, most boxes are made of materials that cats can easily scratch, which they can do to relax and stretch their muscles.