Dean watched Sam settle into bed, and settled more on his front, deciding things being this good was probably a bad omen but that he didn't care. He was happier than he'd been in a really long time, and if things were awkward in the morning he'd make them not awkward. Somehow.
"Night, Sammy." He smiled a bit more. Eventually, they were going to share a bed when they slept. That was definitely something he'd make happen. He'd just avoid telling Sam that he arranged it that way.