"Depends. Reading's good. Definitely one of the better evening activities." And probably a sign he's in a good headspace, if he can focus. A sign he might get a good night's sleep. "Sometimes, it's Sports Center."

Neutral sounding, but more likely to be something he has on just for noise, something to focus on so he doesn't start getting twitchy.

"Not a bad time to take a walk, either. Especially in a city like this."