It's a solid argument, and also sweet of him. "All right, all right. I'll give it a go. Don't be surprised if I wind up the next one jerking awake with a knife in hand, though." Historically, sleeping for more than an hour or two while on mission... does not go well. But they do settle back against the wall, tucking their coat up over one shoulder and across their chest, metal arm out but flesh arm protected.