A cat's daily sleep duration varies depending on age and other factors. Generally, adult cats sleep an average of 12 to 14 hours per day. However, cats' sleep patterns differ from humans; they tend to engage in multiple short naps rather than long, continuous sleep periods. During their sleep cycles, cats alternate between deep and light sleep, with deep sleep being relatively shorter.

Kittens and senior cats may need even more sleep. Kittens, due to their rapid growth and high sleep requirements for development, may sleep close to 20 hours a day. Senior cats, as they age, may also require more sleep to maintain their health, potentially needing 18 hours or more per day.
It's important to note that a cat's sleep quality and habits are influenced by a variety of factors, including diet, environmental noise, health condition, the comfort of its sleeping area, and temperature. Therefore, to ensure your cat's health and comfort, you should provide a quiet, warm, and comfortable sleeping environment and try to maintain a stable diet and lifestyle.