Speaking of awareness, Jean-Luc is having the same problem. He almost doesn't notice her until she's right up on him and speaking to him. He looks over, finally... aware. And his features don't soften per say. It's more like they fall into something that looks like familiarity.
"Ms. Summers. A pleasure, as always." He looks back up to the roof of the dome. "I'm afraid I fall into the sleepless category tonight. And what of you and your gallivanting about at such a late hour?"