When I had only 4 cats, I'd let them sleep w/me but as the number grew, I had to stop that. I'd sleep in an S shape all night and wake up cramped and in pain and the Fur Posse would be refreshed and ready for a day of trouble making. So now unless one is sick, they sleep in their apt. in the basement. They're so used to it now that if I try to bring one in bed w/me, they balk at it and want to go back downstairs. LOL