[Hasn't been sleeping well enough on his own, and this whole situation makes it even worse -- so that even as most others are sleeping or at least attempting to sleep, he's awake and restless]
[He sees the mist roll in, though, and he's become familiar enough with what that means to know that someone may need help -- to keep them from wandering off into the forest or, at least, to bring them back to the castle to find those who can offer some comfort (since he fails at that)]