It was his turn to throw her words back at her, though he knew better then to do it arrogantly. (Though if the goal wasn't to get her to sleep so he could be less concerned, he would have savored the opportunity.)
"Maybe not," Ron said. "But you're all worked up now, it's going to take some time for you to unwind. And I need to know that you've at least slept some before tomorrow night. You need to be at your best too. Besides, you can keep an eye on that from here."