The reasons why cats always scratch the sofa:

1. Cat’s nails grow very quickly and they will look for objects to sharpen their claws. The owner can prepare a scratching post for it. .

2. Cats scratching the sofa may also want to leave the smell on it, declare their sovereignty, and tell other cats that this is their territory.

3. Cats also like to scratch things after waking up, in order to stretch their muscles and bones, just like people stretching, and are in a very relaxed state.

4. If a cat is in a bad mood and feels anxious or irritable, it will also release its emotions by scratching the sofa.
5. When a cat feels bored, it will also scratch objects to attract the owner's attention and want the owner to play with it.