Overview
The Cabinet of Dr. Caligari (1920) presents hypnosis as a mysterious tool that appears to give Dr. Caligari control over Cesare, a somnambulist who predicts a man’s death and later commits violence. The film uses hypnosis as part of its expressionist horror style rather than as a careful account of clinical practice.
The movie does draw on ideas associated with nineteenth- and early twentieth-century hypnosis: altered consciousness, suggestion, somnambulism, and the fear that one person might control another.¹ However, its portrayal of hypnosis is highly theatrical. It combines historical ideas about hypnotic influence with fantasy, crime melodrama, and visual symbolism.
What does the movie get right?
1. Hypnosis can involve focused attention and heightened responsiveness
Hypnosis is commonly described as a state involving focused attention, reduced awareness of some surrounding events, and greater responsiveness to suggestion.² The film’s depiction of Cesare as unusually absorbed and responsive to Caligari’s direction has a loose connection to that idea.
The presentation is much more dramatic than ordinary hypnotic practice, but the basic connection between hypnosis and suggestion is historically recognizable.
2. Hypnosis has sometimes been associated with sleep and somnambulism
The word “somnambulist” means sleepwalker, and the film presents Cesare as a person who can be awakened from a sleep-like condition and directed by Caligari. Historical writing about hypnosis often used language connected with sleep, trance, and artificial somnambulism.³
That terminology reflects an important part of hypnosis’s history. It does not mean that hypnotized people are literally asleep or that modern hypnosis normally creates sleepwalking.
3. The film reflects historical fears about hypnotic influence
During the nineteenth century and the early twentieth century, hypnosis was discussed in medicine, psychology, law, literature, and popular entertainment. Questions about suggestion, responsibility, criminal behavior, and control were especially prominent.⁴
Caligari turns those concerns into a frightening story: a powerful authority figure appears to use an altered state to direct another person’s actions. That theme is historically relevant, even though the movie’s events are fictional.
What does the movie get wrong?
1. Hypnosis is not reliable mind control
The movie suggests that Caligari can command Cesare to perform dangerous acts with near-total authority. That is not an accurate representation of hypnosis.
Research and professional discussions of hypnosis do not support the idea that a hypnotist can reliably take over another person’s mind or guarantee obedience. Hypnotic responses vary among individuals and are influenced by expectations, context, motivation, and the specific suggestion.²
A hypnotized person is not simply an empty instrument operated by the hypnotist.
2. Hypnosis does not create a permanent servant
Cesare is presented as if Caligari possesses an ongoing mechanism for controlling him. In real hypnosis, suggestions do not normally turn a person into a permanently controlled servant. Hypnosis is not a technology for storing commands that can be activated whenever the hypnotist wishes.
Posthypnotic suggestions have been studied, but their effects are not equivalent to the film’s effortless and unlimited control. Their meaning and effectiveness depend on the person and the circumstances.⁵
3. Hypnosis is not a dependable way to force criminal acts
The movie presents Cesare’s alleged crimes as the result of Caligari’s commands. This reflects a popular fear that hypnosis can compel a person to commit an act they would otherwise reject.
The evidence does not justify treating hypnosis as a simple method for bypassing a person’s values and guaranteeing criminal behavior. Hypnotic suggestion can influence experiences and actions, but it does not provide a dependable way to erase judgment or responsibility.⁶
The legal and ethical questions surrounding hypnosis and responsibility are complicated, and the film simplifies them for dramatic effect.
4. Hypnosis does not guarantee accurate predictions
Cesare’s prediction of Alan’s death is presented as a supernatural performance connected with his altered state. Hypnosis does not provide a reliable ability to foresee future events.
The film is using the somnambulist figure as part of its mystery structure. His prediction belongs to the story’s horror and theatricality, not to an established effect of hypnosis.
5. Hypnosis does not make a person permanently unconscious
Cesare appears to exist in a prolonged, unnatural condition between sleep and wakefulness. In ordinary hypnosis, people are generally awake enough to hear and respond to the hypnotist. They may experience relaxation, absorption, altered sensations, or changes in attention, but hypnosis is not the same as a permanent coma or suspended consciousness.²
The film’s presentation is closer to a gothic fantasy of artificial sleep than to a typical hypnotic session.
Scene-by-scene breakdown
1. Caligari presents Cesare in a cabinet
What happens: Caligari exhibits Cesare as a somnambulist who has supposedly slept for many years.
What is historically inspired: The use of “somnambulist” connects the character with older accounts of artificial somnambulism and hypnotic phenomena. Earlier hypnotic traditions often described trance using sleep-related language.³
What is exaggerated: A person cannot be kept in a continuous, exhibition-ready hypnotic condition for years in the manner shown. The cabinet is a theatrical device that makes Cesare appear like a preserved supernatural specimen.
Accuracy rating: Historically inspired, medically implausible.
2. Cesare awakens at Caligari’s command
What happens: Caligari appears to awaken Cesare and direct his attention.
What is realistic: A hypnotic procedure may involve verbal instructions, focused attention, and changes in responsiveness. Suggestion is central to many understandings of hypnosis.²
What is exaggerated: The speed, certainty, and completeness of the response are presented as if Caligari possesses total access to Cesare’s behavior.
Accuracy rating: Loosely inspired by suggestion, strongly dramatized.
3. Cesare predicts Alan’s death
What happens: Alan asks how long he will live, and Cesare predicts that he will die before morning.
What is realistic: Nothing in hypnosis establishes reliable foreknowledge of future events.
What is fictional: The prediction is part of the film’s supernatural and suspenseful structure. It may also make Cesare appear less like a patient and more like an oracle.
Accuracy rating: Purely fictional as a hypnotic ability.
4. Caligari appears to direct Cesare’s violence
What happens: Cesare is associated with a nighttime attack and is treated as an agent acting under Caligari’s influence.
What is historically relevant: The sequence reflects longstanding concerns that suggestion might affect conduct and that hypnotic influence could complicate questions of responsibility.⁴
What is inaccurate: The film presents control as direct, stable, and nearly absolute. Real hypnotic influence is more variable and does not function as a guaranteed remote-control system.²
Accuracy rating: Historically recognizable concern, inaccurate mechanism.
5. Cesare moves in a sleep-like state
What happens: Cesare’s movements and posture suggest a person who is awake but not fully conscious of the world around him.
What is realistic: People can become highly absorbed, less responsive to distractions, or influenced by suggestions involving movement and bodily experience.²
What is exaggerated: Cesare’s state is portrayed as an extreme, sustained form of unconsciousness. The film gives him the visual qualities of a sleepwalker, puppet, and supernatural creature at the same time.
Accuracy rating: Symbolically effective, clinically inaccurate.
6. Caligari’s authority is treated as the central danger
What happens: The film links hypnotic influence with institutional power, secrecy, and the ability to define another person’s behavior.
What is psychologically meaningful: The story raises questions about authority, obedience, coercion, and personal responsibility. Those questions can be discussed without assuming that hypnosis itself gives unlimited control.
What is fictionalized: The film turns those concerns into a literal system in which one authority figure can use hypnosis to command another person almost without resistance.
Accuracy rating: Strong as a social and dramatic metaphor; weak as a description of hypnosis.
Is Cesare actually hypnotized?
The film does not provide enough information to classify Cesare’s condition in modern clinical terms. He is presented through stylized performance, expressionist sets, unusual lighting, and a deliberately unreal story. His behavior may be read as a mixture of somnambulism, trance, coercion, illness, theatrical performance, or supernatural influence.
It is more accurate to say that Cesare functions as a fictional somnambulist character than to treat him as a realistic example of hypnosis.
What does the film’s hypnosis symbolize?
Hypnosis in The Cabinet of Dr. Caligari helps represent loss of autonomy. Cesare’s stillness, pale appearance, and puppet-like movements make him seem controlled by forces outside himself. Caligari, meanwhile, represents authority that claims the right to direct another person’s body and actions.
The film’s expressionist style strengthens this idea. Distorted sets and exaggerated performances do not aim for ordinary realism; they turn psychological and social fears into visible shapes. The hypnotist and somnambulist therefore work as dramatic symbols as much as characters.
A more accurate way to describe the film
A careful summary would be:
Hypnosis can involve focused attention and responsiveness to suggestion.
Hypnosis has historical connections with ideas of sleep, somnambulism, and altered consciousness.
Hypnosis does not give a person dependable, unlimited control over someone else.
Hypnosis does not reliably force criminal behavior or produce supernatural predictions.
Cesare is a symbolic, highly fictionalized somnambulist rather than a realistic clinical case.
Bottom line
The Cabinet of Dr. Caligari is historically aware of hypnosis-related ideas, especially suggestion, somnambulism, and fears about authority. It is not an accurate depiction of clinical hypnosis.
The film’s central idea—that a powerful figure can turn another person into a controllable instrument—is a compelling horror premise, but it is not how hypnosis ordinarily works. Caligari uses hypnosis as a vivid symbol of coercion and lost autonomy, making the movie psychologically striking even when its hypnotic mechanics are fictional.
Notes
Alison Winter, Mesmerized: Powers of Mind in Victorian Britain (Chicago: University of Chicago Press, 1998).
David A. Oakley and Peter W. Halligan, “Hypnotic Suggestion: Opportunities for Cognitive Neuroscience,” Nature Reviews Neuroscience 14, no. 8 (2013): 565–576.
Henri F. Ellenberger, The Discovery of the Unconscious: The History and Evolution of Dynamic Psychiatry (New York: Basic Books, 1970).
Alison Winter, Mesmerized: Powers of Mind in Victorian Britain (Chicago: University of Chicago Press, 1998).
Michael Heap, ed., Hypnosis: Current Clinical, Experimental and Forensic Practices (London: Croom Helm, 1988).
Steven Jay Lynn, Irving Kirsch, and Teresa M. Hallquist, “Social Cognitive Theories of Hypnosis,” in The Oxford Handbook of Hypnosis: Theory, Research and Practice, edited by Michael R. Nash and Amanda J. Barnier (Oxford: Oxford University Press, 2008).