Psychosis is a 2010 British horror film directed and written by Reg Traviss, with story by Michael Armstrong. It is a remake of the "Dreamhouse" episode from the film anthology Screamtime (1983).

Screamtime is a 1983 British-American horror anthology film directed by Michael Armstrong and Stanley A. Long, written by Armstrong, and starring Jean Anderson, Robin Bailey, Dora Bryan, Ann Lynn, Yvonne Nicholson, Ian Saynor, and David Van Day. It was produced by Peter Long and Stanley A. Long. Presented as an anthology with a wrap-around story, the film opens with a pair of young men stealing three videotapes, which happen to each contain a tale of terror. The first story is about an evil puppeteer, the second is a haunted house story, and the third is about a caretaker in a haunted garden.