"Mm," which is a yeah for the tired, and he looks at Russia starting from chest all the way up to his face, slow, without moving his head and with his hands clasped over his thighs. He's a little surprised to see that he's getting looked over in return, mouth paused halfway between a purse and an "oh" before he snorts.

"You're still awake."

Not that he's surprised, and it sounds like it, but he's starting to wonder if Russia ever sleeps or if it's just that he doesn't sleep when Netherlands shows up.