[His attention is immediately drawn to the heart rate monitor when the beeps capture Peko's dokis. Though he doesn't seem to recognize them for what they actually are. Maybe he imagined it? In any case, she doesn't seem to be going into cardiac arrest or something so obviously it's nothing to worry about.]

[Unfortunately, it means he misses the smile. Too busy looking at the heart monitor to make sure it wasn't about to flip out.]

Please do... [Be more careful, that is.] You should get some sleep though. We can talk about this more a little later. Something you mentioned actually clears up something ambiguous that we found while we were snooping around on the laboratory computer.