"Yeah, come on though, the bed's big enough for two, you can sit here," Crowley says, gesturing to the spot next to him. The bed is actually ridiculously large, because Crowley bought the most expensive one at the time, simply due to price. "Can't speak on the comfort, though, it's my first time on this mattress. Sales said it was comfortable. Seems all right."

He, personally, thinks Aziraphale should try sleeping. But, perhaps the angel simply doesn't sleep. Many occult---or whatever it was Aziraphale said angels were---being simply don't. But Crowley would, if he were Aziraphale. And Crowley will, being Crowley in this exact moment.