Time for a snooze

He sleeps nose down on a regular basis and although it looks uncomfortable he must feel fine. When lying on his side asleep he's out for the count. Last night he slept for 12 hours, I couldn't sleep and at intervals had to make sure he was breathing. He is very frail and not too bothered about food although a morsel of fresh chicken is welcome. In the cat world of 18 years old it must be acceptable to sleep and eat chicken often.