His theory 'rested upon' two important pieces of evidence.
He 'rested' his horse before continuing the journey.
They were (well) 'rested' after a long vacation.
(..) we could have thousands more men. If Jon Snow returns with the wildlings. We can't wait that long. We have the advantage-- more men, more horses, all fed and rested. This could turn to winter at any moment. We have to act now. Give the order. We march at sunrise. (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5