Nightmare

Janet is a young student struggling with recurring nightmares involving her mother, who was committed to a psychiatric institution after killing Janet's father. Fearing she may inherit her mother's mental instability, Janet returns to her family home after leaving her private school. Once there, her psychological distress intensifies as she encounters a mysterious woman in the house and struggles to convince those around her that she is not losing her mind.

This 1964 British horror and mystery thriller was produced by Hammer Film Productions. It was written and produced by Jimmy Sangster and directed by Freddie Francis. This project follows Francis's work on The Day of the Triffids and Paranoiac, and precedes his direction of The Evil of Frankenstein. The film features a cast including Jennie Linden as Janet, alongside David Knight, Moira Redmond, Brenda Bruce, George A. Cooper, and Irene Richmond.

The movie has a runtime of 83 minutes. It is generally well-regarded by viewers, holding a 6.7 rating on IMDb from 3,000 votes and a 6.8 rating on TMDB based on 77 votes.