Vacancy (2007)

David and Amy are a couple who get stranded in the middle of nowhere and are forced to spend the night in a local hotel. There they discover a disturbing revelation: their room was used to film the horror movies they hang out with. Only they weren't fiction and there are hidden cameras set up for them. A terrifying, unsettling psychological horror film that keeps you on the edge of your seat for its entire hour and a half. If you like this genre, you should not miss it.