The designation “Sleepwalkers (1978 film)” does not correspond to a widely documented or internationally recognized motion picture in major film reference sources, databases, or scholarly publications. No substantial information regarding its production, director, cast, plot, distribution, or reception is available in readily accessible encyclopedic records.
The title may be conflated with the more prominent 1992 American horror film Sleepwalkers, directed by Mick Garris and based on a story by Stephen King. It is also possible that “Sleepwalkers” could refer to a lesser‑known short film, television episode, student project, or regional production from 1978 that has not been cataloged in mainstream film archives.
Etymological note: The term “sleepwalker” refers to a person who walks or performs activities while in a state of sleep, a condition medically known as somnambulism. In cultural contexts, “sleepwalker” is often employed metaphorically to denote someone acting without conscious awareness or to evoke themes of subconscious behavior.
Given the absence of verifiable sources, no detailed encyclopedic entry can be provided for a 1978 film titled Sleepwalkers.