"Richard, you were fine last night. And the night before that. You slept. I know because I was there." The confusion in her voice is shifting more fully to worry, because it can't not. "And you had a short day at work today. What's going on? This isn't like you at all. Did you like fall down and hit your head or something?" It's not a joke--Alex is being deadly serious and thinking that it's something like some sort of concussion or something.