Before I Go to Sleep (2014)

Christine Lucas is a writer who suffers an accident that affects her memory, leaving her unable to recall her past and retain new memories. Following her doctor's instructions, she keeps a video diary as a daily record. In doing so, she uncovers terrifying revelations about her past and begins to question her surroundings. A suspenseful psychological thriller with a great cast and a story full of plot twists that keep you waiting for the final outcome.