As in life of all living beings, sleep plays a huge role in the life of a cat. The cat likes to sleep 14-16 hours per day and kittens may sleep up to 18-20 hours. It is very important that their sleep was calm, because growth hormones are actively produced in sleep.
Statistics show that urban cats living in the apartment, sleeping much more, as they do not need to hunt and they have a lot of free time. And yard cats once so much sleep, after all they need to seek food and guard the territory.
Scientists have conducted various studies that helped to learn a lot of interesting points about sleeping cats. For example, it turned out, that during sleep the brain cats continues to work.