"That's just Shiro to you." He says, in jest. Partly. He meant what he said about them being equals in rank. He yawns again. Going back to sleep is a good idea he can barely keep his eyes open. He'll wonder over how comfortable sleeping beside Keith is later.

His eyes slide shut and he moves his left arm to a more comfortable position trapping Keith's arm up against his side. Better.

"Just another hour." He says and lets his mind drift. They do need the sleep.