You can give them a plush cooling bed if you happen to live in warmer climates or something with a warming mechanism if you're located in a cold environment. (mypetneedsthat.com)
Perhaps he is trying to keep cool and you could consider a nice cool bed instead. (vetbabble.com)
You can even buy cat cooling beds and pads to help; these are particularly useful if your air conditioner or electricity fails and you are out of options. (petvethospitals.com)