Before I Go to Sleep is a film about a woman called Christine, played by Nicole Kidman, who wakes up every day remembering nothing from the previous day as a result of a traumatic incident which happened when she was younger. For Christine, waking up next to her husband is the same as waking up to a stranger, and everyone around her is a new person every day. The film is directed by Rowan Joffe, writer and director of 28 Days Later, Brighton Rockand The American. The upcoming movie is based on the novel by S.J. Watson, and is set to be released in UK cinemas on September 5, 2014. Watch the trailer below.