"I'll just take what I need for sleep. And for the muscles."

He wasn't crazy. He wasn't.

Hiccup knew he could be weak in some ways, but he'd put far too much effort into getting physically stronger for any other part of him to get weaker instead. And as far as he was concerned, if he'd let all this have gone to his head, it was the penultimate weakness.

Vikings didn't do crazy. They didn't do mentally ill. They tied madness to a mast and shipped it out to see.