"Before I Go to Sleep" is a psychological thriller based on S.J. Watson's novel, featuring Nicole Kidman as a woman with amnesia who wakes up every day with no memory of her past. The film explores themes of identity, trust, and the fragility of memory. While it has received mixed reviews, many viewers appreciate its suspenseful plot and strong performances, particularly from Kidman and Colin Firth. If you enjoy tense, character-driven stories with twists, it may be worth watching. However, those seeking a fast-paced thriller might find it slower.

In the movie "Before I Go to Sleep," Christine Lucas, played by Nicole Kidman, is attacked by a mysterious assailant who is later revealed to be her estranged husband, Ben, portrayed by Colin Firth. The attack leads to her amnesia, causing her to wake up every day with no memory of her past. As the story unfolds, Christine uncovers the truth about her life and the identity of her attacker, leading to a tense and dramatic climax.

"Before I Go to Sleep" is not based on a true story; it is a fictional psychological thriller novel written by S.J. Watson, published in 2011. The story follows Christine, a woman who loses her memory every day upon waking due to a traumatic incident. The novel was adapted into a film in 2014, starring Nicole Kidman, Colin Firth, and Mark Strong. While it explores themes of memory and identity, the plot and characters are entirely created for entertainment purposes.

In "Before I Go to Sleep," the real Ben is revealed to be the husband of Christine, who suffers from amnesia and loses her memory every time she sleeps. Throughout the film, Christine believes she is married to a man named Ben, who is actually an imposter. The true Ben is a loving husband who died in a tragic incident, and the imposter is a man who is manipulating Christine for his own benefit. This twist highlights the themes of trust, identity, and the manipulation of memory.