@RpR The headaches continue. This has been the longest stretch of them in years. We take a small ice chest whenever we leave the house in case one hits.
I will ask him to ask his doctor about the possibility of having a sinus infection. They seem to be occurring at 2:30 AM, fairly regularly now. And if he naps, he'll get one within half an hour after waking up. It's frustrating... for both of us.