

The Black Sleep
The Terror Drug That Wakes the Dead!
In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...
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- Status
- Released
- Budget
- $225K
- Box office
- —
- Language
- English
- experiment
- england
- mad doctor
- brain surgeon
- suspended animation
Top billed cast











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All optionsAvailability for India. Provided by JustWatch through the TMDB API.
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Release dates
United StatesUS
- TheatricalNRDistributed by United Artists Corp.15 Jun 1956
- TheatricalRetitled Reissue1 Jan 1962
United KingdomGB
- TheatricalRated X7 Aug 1956
GermanyDE
- Theatrical1629 Nov 1957
Frequently asked questions
The Black Sleep was released on 15 June 1956.
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