You buy a brand new cat tree. Your cat? It chooses the box it was delivered in. Coincidence? Absolutely not. Cats and boxes have a bond that goes deeper than “just funny behavior.” Cats are not just fans of boxes: there is logic behind it.
1. Boxes make cats feel safe
Cats aren’t reckless animals. They’re strategists. In the wild, an enclosed space means shelter, visibility, and control.
A box:
- Protects the back and sides
- Limits unexpected stimuli
- Has one clear outlet
That feeling of safety reduces stress. That is why stressed or new cats often immediately look for a box.
2. Cardboard retains heat
Cats love warmth. Cardboard insulates surprisingly well, making a box quickly become a cozy mini-oven. For an animal that prefers to be somewhere between 30–36°C, that is ideal.
Even if your cat sleeps all day, its hunting instinct is always active. A box is not only a hiding place but also a surprise machine. From a box, a cat can play, observe, and strike without being seen.
4. It helps with stress and overstimulation
There is even research showing that cats in shelters relax faster when they have access to boxes. Why?
Because a box:
- Shields stimuli
- Lets the cat decide when there is interaction
- Gives a sense of control
Control is calmness, especially with cats.
5. New things are interesting
Cats are curious, but they always remain cautious. A box smells like fresh air and unfamiliar scents. And that precisely stimulates their brain. Inspecting is therefore not a choice for cats: it is a duty. Simply put: a box meets everything a cat finds important.
So don't throw boxes away immediately. Place one in a quiet spot or put a blanket inside. There's a good chance it will become your cat's favorite place without you having to buy anything for it.

