For a second he almost panics, thinks that she's been somehow trapped inside this small...thing and forced to dance. But then he remembers the magic of technology. Maybe this is just another example.

It's only when she speaks that he's sure she's alright, and Merlin laughs a little in relief.

"Uh...no, I was awake." Years of being early to rise so he could fetch Arthur's breakfast and get him ready for the day would make Merlin inclined to agree with her - the day's almost half gone. "You seem cheerful. Bit of a morning person?"