S. J. Watson makes his powerful debut with Before I Go to Sleep, a compelling, fast-paced psychological thriller, reminiscent of Shutter Island and Memento, in which an amnesiac who, following a mysterious accident, cannot remember her past or form new memories, desperately tries to uncover the truth about who she is—and who she can trust.S. J. Watson makes his powerful debut with Before I Go to Sleep, a compelling, fast-paced psychological thriller, reminiscent of Shutter Island and Memento, in which an amnesiac who, following a mysterious accident, cannot remember her past or form new memories, desperately tries to uncover the truth about who she is—and who she can trust.