Cats sleep for 10 to 16 hours a day, only a quarter of which is deep sleep, which is about 4 hours, and most of the other time is spent squinting. Cats' sleep time will decrease with age, and they do not sleep continuously, but in sections. Because cats are carnivores and have a hunting nature, they will maintain their strength through sleep. However, if you find that the cat's sleep time Different from usual times, it may be caused by physical discomfort and needs to be sent to the hospital for examination.