"journey back to the house." He bobs his head in agreement, and smiles just a bit more than his usual default sleepy smile. It's a little bit funny. Then again, Sans - any Sans - has always had an easy sense of humor.

He falls into step beside them. And on the way home, he asks them easy questions, small-talk questions. How's school going, are you making any friends, how bad's the homework. But just as they're arriving at Toriel's neat little house, just as they're about to say good bye, Sans finally musters up the nerve to ask a question that's really been on his mind for a while.

"you sleeping okay, kid?"