[She's on the verge of calling him out on the half-truth, because even if he's not sleepy, Pepper knows from the bags under his eyes and the unsteady way he's moved that he also hasn't been asleep in far too long. Yet the thoughts and worries that plague him, the thoughts that keep him awake aren't going to go away simply because Pepper's ordered him to bed. Her own dark circles would be obvious, except she's had years of practice covering up the signs of sleepness nights with just the right touch of make-up.

She can mask hangovers too. She's learned a lot of useful skills in her time spent at Tony's side.]

I'm going to hold you to that. [But in the end, she knows all too well that drive to do, probably all the stronger after Bruce had been confronted with his own mess.] You can start by opening the windows, and then wipe down the counters or mop the floor. Your choice. [She leaves it implied that she'd take up whatever task Bruce doesn't opt for. He's only going to get to act for so long before she really does push him towards bed.]