Five percent of the world’s population have had the experience of awaking paralyzed while a supernatural entity climbs onto their chest, inducing unimaginable fear. Is it a brush with something beyond our physical world, or a psychological enigma that taps our most primal fears?

Inspired by a real life experience, an encounter with the supernatural led Andrew & Adam Gray to make The Nightmare, a fascinating, well-researched documentary that takes a refreshingly sober look at disturbing phenomena.