Ah, yes, the stage of drinking when the sleepiness creeps in and the best thing is to just give in. "All right," he said as he carefully extracted himself from her and rose from the couch. He bent to pick up the glass of water - which she hadn't finished to his satisfaction, but he wasn't going to mention it again - and then offered his hand.
"The bed is comfortable, and the bedroom is quiet. You will sleep well in there, I think."