Disclosure: As an Amazon Associate, Bookish Wisdom earns from qualifying purchases. This doesn't change our picks or your price.
TL;DR: Christine Lucas wakes up every morning with no memory of her past. A man she does not recognize tells her he is her husband, Ben. A doctor secretly calls her and tells her to read a journal she has been keeping. In it, she has written: “Don't trust Ben.” Day by day, Christine pieces together the truth about her life.
Table of Contents
Before I Go to Sleep at a Glance
| Author | S.J. Watson |
| First published | 2011 |
| Type | Psychological thriller |
| Best for | readers who want a tense, twisty psychological thriller |
Before I Go to Sleep is the debut novel of S.J. Watson, published in 2011. It became an international bestseller. Below you will find a part-by-part summary, five key takeaways, ideas worth remembering and a note on who will enjoy it.
Content note: Includes violence, emotional abuse and memory loss.
Main Characters
- Christine Lucas: A woman with amnesia.
- Ben: The man who says he is her husband.
- Dr. Nash: A doctor helping Christine.
- Claire: Christine's former best friend.
- Adam: Christine's son.
What Happens, Part by Part (Contains Spoilers)
Waking up
Christine wakes up each day believing she is in her twenties, but she is forty-seven. A man named Ben explains that she had an accident and lost her memory. Each night, her memories vanish again.
The journal
Dr. Nash, a neurologist, secretly works with Christine and reminds her to read her journal. In it, she has recorded what she learns each day. On the first page, she has written “Don't trust Ben.”
Discoveries
Through the journal and therapy, Christine discovers that she had a son, Adam, who Ben says died in Afghanistan. She learns that her friend Claire is still alive. She remembers fragments of an affair and an attack.
The truth
Christine learns that the man pretending to be Ben is not her husband. He is Mike, a man she had an affair with, who attacked her in a hotel room, causing her amnesia. Mike has been controlling her by pretending to be Ben.
Rescue
Mike realizes Christine knows the truth and attacks her. Christine is rescued by Claire and the real Ben, who had divorced her after years of caring for her. She learns that Adam is alive. In the hospital, she wakes up and remembers, for the first time, the previous day.
5 Key Takeaways
- Memory shapes identity.
- Trust can be manipulated.
- Writing can preserve the truth.
- Abuse can hide behind care.
- Recovery can begin with small steps.
Ideas Worth Remembering
These are paraphrased, not direct quotes:
- We are made of what we remember.
- Others can control us if we lose our story.
- Writing things down can save us.
Who Should Read Before I Go to Sleep?
Read Before I Go to Sleep if you enjoy psychological thrillers with twists. It suits adults.
About S.J. Watson
S.J. Watson is a British author born in 1971 in the West Midlands. Before writing, he worked for the National Health Service, including with children with hearing problems. Before I Go to Sleep, his first novel, was written in a creative writing course and became a global bestseller, adapted into a 2014 film starring Nicole Kidman and Colin Firth.
Questions to Think About After Reading
These prompts work for solo reading, a book club or a classroom discussion of Before I Go to Sleep:
- How does memory affect identity?
- Why does Christine trust her journal?
- How does Mike manipulate her?
How to Use This Summary
Use this page as a quick reference before a book club meeting, an exam, or a decision about whether Before I Go to Sleep is worth your time. The takeaways are written to stand on their own. If a point interests you, go back to the book for the author's full story, characters and style, which no short summary can replace.
A Note on Accuracy and Spoilers
This summary is based on the published text of Before I Go to Sleep, not on any film, series or stage adaptation, which often change the story. Details are kept at the level of the main events so that nothing is invented. Editions differ slightly in length and wording, so page numbers and small details may vary between copies.
Should You Read the Book?
Yes. It is tense and gripping, with a memorable premise, though the twist may be predictable for some.
Check price of Before I Go to Sleep on Amazon
What to Read Next
- Gone Girl by Gillian Flynn: a twisted marriage thriller
- The Girl on the Train by Paula Hawkins: an unreliable narrator
- The Turn of the Screw by Henry James: a classic psychological mystery
Frequently Asked Questions
What is Before I Go to Sleep about?
A woman with amnesia uses a journal to uncover the truth about her life.
Who wrote it?
S.J. Watson, in 2011.
What is wrong with Christine?
She loses her memory each night.
Who is the fake Ben?
Mike, the man who attacked her.
Is there a film?
Yes, the 2014 film with Nicole Kidman.
What age is it for?
Adults.
How long is it?
About 360 pages.
Who is Dr. Nash?
A neurologist helping Christine.
Is Adam alive?
Yes.
What happens at the end?
Christine wakes up remembering the previous day.
Who are the main characters in Before I Go to Sleep?
The main characters are Christine Lucas, Ben, Dr. Nash, Claire and Adam. Christine Lucas: A woman with amnesia. Ben: The man who says he is her husband. Dr. Nash: A doctor helping Christine.
Is Before I Go to Sleep worth reading?
It depends on what you want. The book is best for readers who want a tense, twisty psychological thriller. If that describes you, it is likely a good fit. If not, the titles under What to Read Next may suit you better.