Ianto made a little noise against Sulu's lips at the thought that he was missing sleep because he was staying over with him, and well...not exactly sleeping or being restful either. He shrugged slightly, reaching his hands up to put on Sulu's back, against his shoulder blades, kneading them slightly. "You are pretty lucky about that," Ianto replied, his own voice equally rough, heavily accented and deeper than it usually was. "I'd hate to have to quit now and make you go to bed. ...not sure if I even could, right now."

Not that...they weren't already in bed, but. Not in the way that he meant. "If you think you can handle working on four hours of sleep, though... I'm not going to argue with you there," he said. He tilted his head, moving to kiss the corner of Sulu's mouth gently. "You can't just lead me on like this and then have to go to sleep, after all..."