Troubling and distressing recurring dreams are abundant on the silver-screen, particularly within the fear, sciencefiction, dream, and thriller thriller genres. For a rapid sample of different heroes experiencing their conflicting issues through persistent dreams, watch ''In Dreams'' (fear), ''Starwars Episode II: Invasion of the Clones'' (science fiction), ''Eragon'' (dream), and ''The Talented Mr. Ripley'' (thriller).