Remmer(2004)

A narcoleptic, Sonny, unwittingly falls prey to his dark side during a camping trip with his betrothed, Addie. When he starts to tell her a story about a ghost, he slips into his murderous alter ego, who "kidnaps" them both and takes them on a dangerous journey peopled with shady characters. Can Addie snap Sonny out of his fugue state before he ends up killing them both? The clock is ticking.