Cas is in the bathroom so long that Dean falls asleep, lying on his back with an arm falling off the mattress. He sleeps soundly for a few hours before something jolts him awake. Blinking into the darkness, it only takes a moment or two for him to realize that Cas is not on the bed where he belongs. With a grunt, Dean pushes up on his elbows, peering over the edge of the bed and--yep. There he is.

He reaches down to ruffle Cas' hair. "Hey. C'mon, we talked about this. Floor's not for sleepin'."