[Mettaton almost makes a quip about how he was raised under a mountain and he had better manners, but...

...he has better manners. So instead, he behaves himself and gives a shrug of his own--visible because he's not bothered using the video function.]

You may have!! Though, a lot of people here have not, due to us all being from different places. As for sleeping, it's not a big deal!! I'm usually a robot, and therefore my hair is synthetic and I'm in no danger of losing it!