Make sure the box is an appropriate size that allows them to do their business and move around comfortably; a general rule to follow, Cooper advises, is that the litter box should be about 1.5 ...

She wanted to know why her otherwise wonderful cat gets into and sleeps in his litter box. My firm belief is that he wants to leave his scent in it, marking his territory.

For one cat, it’s ideal to have two litter boxes in separate rooms that your cat is familiar and comfortable with. Cats sometimes like to urinate in one box and defecate in another.

The best litter boxes for cats include automatic, pan, covered, corner, and top entry models, but you need to find the best option for your cat.