Before I Go to Sleep by S. J. Watson is a gripping psychological thriller that explores memory, identity, and trust. The story follows Christine Lucas, a woman who wakes up every morning unable to remember her past. Due to a rare form of amnesia, her memory resets each time she sleeps, forcing her to rediscover her life day after day. When she wakes, a man beside her explains that he is her husband, Ben, and patiently reminds her of the accident that caused her condition years earlier.

Christine’s fragile routine begins to change when a doctor secretly encourages her to keep a private journal. Through these entries, she slowly uncovers fragments of her past and begins to question the version of events she has been told. As she pieces together memories and hidden truths, Christine realizes that not everything in her life is as it seems, and that someone close to her may be hiding dangerous secrets.

With each passing day, the tension grows as Christine struggles to determine whom she can trust while racing against the limits of her own mind. Filled with suspense, emotional depth, and shocking twists, the novel keeps readers guessing until the final pages. S. J. Watson’s debut novel became an international bestseller and is praised for its clever structure, psychological intensity, and unforgettable storyline.

About the author

S J WATSON’s first novel, Before I Go To Sleep, became a phenomenal international success and has now sold over 6,000,000 copies worldwide. It won the Crime Writers’ Association Award for Best Debut Novel and the Galaxy National Book Award for Crime Thriller of the Year and has been translated into more than 40 languages.

The film of the book, starring Nicole Kidman, Colin Firth and Mark Strong, and directed by Rowan Joffe, was released in September 2014.

S J Watson’s second novel, Second Life, a psychological thriller, was published to acclaim in 2015.