[The yawn is actually the best thing Ryou's seen in his life so far, he's fairly certain. He's just about overcome with the urge to touch it, but...oh. Oh. Atem's asked him something, and it takes a few seconds for it to filter through the buzz, but then he grins wide and answers truthfully.]

Mmm, not sure? I woke up and fell asleep a few times so I don't remember. I had a snack though.

How are you doing? Is it better?

[The tip of his pink nose twitches, sniffing curiously to try and figure it out. Stress smells? Fear smells?

...Oops. He's gotten so close that his nose is now touching Atem's chin.]