Jack sees purple. Hiccup can't sleep. Rapunzel is terrified. Merida doesn't believe. Eugene is a badass. Nightmares and dreamscapes come together in a circadian of rhythmic sleep. Jack, Merida, Hiccup and Rapunzel all find out how exactly a group of 11 year old first years can destroy the Boogeyman and regain a normal sleep pattern. (Hogwarts AU) [Pairings: Eventual HiJack]