JJ shrugged. She had a point there, but he wasn't going to dignify that with a verbal response. Sure he could have gone to sleep earlier, but he didn't feel like it at the time.
He gave a dramatic sigh, "No, unfortunately, I sleep alone." Just to make that more sad, he turned a little to give her an exaggerated frown, "Sharing is caring." And with that he adjusted the pillow so that they could both have some.