'Before I Wake': Unhurriedly slow scare tease

"Before I Wake" is an intriguing psychological drama designed as a supernatural horror film that deals with insomnia, loss and trauma. It is the tale of a boy whose dreams and nightmares manifest physically as he sleeps. The story follows a married couple Mark (Thomas Jane) and Jessie (Kate Bosworth), who have recently lost their son Sean (Antonio Romero) in tragic circumstances and adopt a cute, loving orphan named Cody (Jacob Tremblay) upon the recommendation of Natalie (Annabeth Gish), the representative of the adoption agency.