Nightmare

A young woman is plagued by nightmares of her asylum-patient mother. Upon returning to her family home, the nightmares become real when she sees a strange woman pacing the halls.

Nightmare is a 1964 mystery thriller movie directed by Freddie Francis, starring Brenda Bruce, David Knight, Jennie Linden. It holds an IMDb rating of 6.7/10 from 3,029 votes and runs 1h 22m.