Does It Work?
Is Hypnosis Real? What It Is and What the Research Shows
Yes. Responses to hypnotic suggestion can be measured, and people differ, fairly consistently across their lives, in how strongly they respond. It is focused attention rather than sleep, and you stay in control. Below: what the research shows, how a recording compares with a live hypnotist, and who should check with a GP first.
The short answer.Yes, in the sense most people mean. Responses to hypnotic suggestion can be measured, and some people respond far more strongly than others, fairly consistently across their lives.
It is not sleep: people in hypnosis typically stay aware of their surroundings and can recall most of it afterwards. And it cannot by itself make you act against your will.
Written by Ernest McLeodClinical hypnotherapist. An Adelaide practice, seeing clients across Australia by video. Fourteen years in practice. About Ernest →
I earn a commission when someone buys a session through this site. Nothing is for sale on this page; it is here to answer the question.
Can you be hypnotised for real?
Yes, and the clearest evidence is what people do rather than what they report. In Raz and colleagues’ 2002 study, people named the ink colour of words like RED printed in blue, a task where almost everyone stumbles for a split second. Sixteen highly suggestible and 16 less suggestible people did it after a hypnotic suggestion. In the first group the stumble vanished. The second group showed no significant reduction. Something people cannot normally control changed on instruction.
So the plain answer is that hypnotic suggestion produces measurable changes in behaviour, and in brain activity, in people who respond strongly.
Can anyone really be hypnotised?
Most people respond to some degree, but the range is wide. A 2021 review of how responsiveness is measured calls this the most well-established finding of decades of research: “individuals display marked variability in responsiveness to hypnotic suggestions.” Researchers conventionally label only the top and bottom 10 to 15 per cent as “high” and “low”. Everyone else sits somewhere in between.
It is also stable. Piccione, Hilgard and Zimbardo retested 50 people first measured as Stanford students: after 25 years the correlation between their scores was .71, and the typical score moved by one point on a twelve-point scale.
A note on those bands: they are research cut-offs, not natural categories, and the norms behind them lean on students, nearly six in ten of the 33,338 people across 66 norming studies. So nobody can put a reliable figure on what share of Australians “can’t be hypnotised”.
And a low score says nothing about you. Better Health: “Suggestibility doesn’t mean you have a weak character, as popularly believed.”
Is hypnosis the same as sleep?
No. The British Psychological Society’s 2001 working party wrote that people in hypnosis “typically retain awareness of their environment and respond appropriately to it”, and can usually recall most, if not all, of what they attended to. Victoria’s Better Health Channel compares it to the dreamy state just before you fall asleep, “except you are alert and aware of your surroundings.”
Can you be made to do something against your will?
“Hypnotic procedures are not in themselves able to cause people to commit acts against their will.” That is the British Psychological Society in 2001, and the next sentence is the honest part: “However, the demands of the context in which the procedures take place may exert pressure on the subject to comply with the hypnotist’s instructions.”
So you stay in control of what you do. Where pressure comes from, it is the setting: a room, a person in charge, perhaps an audience.
Is stage hypnosis real?
The responses on stage are real responses, but the show is built to select and amplify them. The BPS describes stage hypnosis as entertainment in which the hypnotist picks participants from the audience, “usually by simple suggestibility tests”, and notes that some performers find the induction “unnecessary”. By the time anyone is up there, the most responsive people in the room have already been chosen.
The same report names the pressure: the context “may make it difficult for some participants to decline to respond or to disengage completely if they wish.” It also reports a UK Home Office panel’s 1995 conclusion that stage hypnosis does not pose a significant risk to participants.
Does a recording work as well as a live hypnotist?
Where the delivery format has been tested, a recording has held up. The largest recent review of hypnosis for pain (Yim and Derbyshire, 2026) compared how it was delivered and found no meaningful difference between a live clinician, a recording and self-hypnosis. That research was on pain, not on every use of hypnosis, but it’s the best evidence there is that a recording isn’t a second-rate version of sitting in a room with someone.
An earlier meta-analysis of 20 controlled studies with surgical patients (Montgomery and colleagues, 2002) compared live and audiotaped hypnosis directly: “No significant differences were found between… methods of the induction of hypnosis.” That was surgery. In the one small head-to-head in IBS (Forbes, 2000), the authors judged a tape “probably inferior” to live sessions but still recommended it on “ease and economy”. And the brain changes in the Jiang scanner study, described below, came from pre-recorded instructions.
Can hypnosis go wrong?
Rarely, as far as the trials can tell. Bollinger’s 2018 count of adverse events in hypnosis clinical trials found no reported serious adverse events attributable to hypnosis, zero per cent, and other adverse events at 0.47 per cent. He notes the limit himself: those trials involved medical conditions and procedures rather than psychiatric ones, so psychiatric settings are less well studied.
One risk is better documented than side effects. Better Health lists false memories among rare unwanted effects, so steer clear of anyone offering to “recover” memories with hypnosis.
Getting stuck? I can find no government body, professional body or peer-reviewed paper that addresses it directly. What the evidence does say is that people stay aware of their surroundings, and a recording simply ends.
Is it safe to hypnotise yourself?
I know of no study that has measured harm from self-hypnosis on its own, so I cannot give you a number. What the evidence supports: you stay aware, anyone who should avoid hypnosis should avoid it alone too, and the practical hazard is situational. Never listen while driving, or anywhere attention matters.
Who should not be hypnotised?
Victoria’s Better Health Channel says hypnosis should be avoided by people with severe depression, psychosis, a drug or alcohol problem, or chronic pain that a qualified doctor has not yet investigated and diagnosed. The last one catches people out: pain nobody has explained needs a doctor first.
So hypnosis is not for you, for now, if:
- You are in one of those four groups and a GP has not yet had the conversation with you.
- You are hoping to recover a memory. False memories are a listed risk.
- You want it to replace care for a diagnosed condition. It belongs alongside that care.
- You would be listening at the wheel, or anywhere attention keeps you safe.
Before any hypnosis, including a free recording.If one of those four groups describes you, talk to your GP first. The healthdirect helpline has a registered nurse on 1800 022 222, 24 hours a day. The National Alcohol and Other Drug Hotline is 1800 250 015, free and confidential. In an emergency, call 000.
Four ways to try hypnosis safely
- Check the list first.
If one of the four groups above fits you, talk to a GP before trying any hypnosis.
- Try a free recording before a paid one.
The free hypnosis downloads page lists ones that ask nothing in return. While you listen, notice what you can still do: hear the room, shift your weight, open your eyes.
- Give it a few evenings.
Use the same quiet time and place each time. People differ in how strongly they respond, so notice how absorbed you become rather than waiting for a particular feeling.
- Keep it away from memories and the wheel.
Nobody should use hypnosis to dig for memories, and nobody should listen while driving.
If you then want a recording for something specific, the catalogue is sorted by what you want to change, and each page sets out what its recording does and what the research on that topic shows.
What the research says, and what is still debated
Is hypnosis a special state, or something ordinary?
That is still open, and saying so is mainstream. The American Psychological Association’s hypnosis division defines hypnosis as “a state of consciousness involving focused attention and reduced peripheral awareness characterized by an enhanced capacity for response to suggestion.” In 2015 well-known hypnosis researchers replied that this has no apparent empirical foundation. Both camps agree the responses are real. They disagree about what produces them.
Lynn, Kirsch, Lilienfeld and colleagues are mainstream researchers, not outsiders. Their sociocognitive view is that “the combination of nonhypnotic suggestibility, response expectancies, and motivation” accounts for as much as the majority of variance in hypnotic responding: how suggestible you are anyway, what you expect, and how much you want to take part. Few, if any, classic hypnotic effects, they add, cannot also be produced by imaginative suggestion without hypnosis.
They also concede that “responses to hypnosis might possess as yet unidentified state-like features.” This is an open scientific argument, not a debunking.
The British Psychological Society’s 2001 report sits between them: modern research “has called into question” a special trance, yet the word may still describe absorption like being “absorbed in some music or a daydream”.
What do brain scans show about hypnosis?
Changes, but not a consistent signature. When Landry, Lifshitz and Raz pooled the imaging studies in 2017, they concluded that “few reliable brain patterns emerge across studies.” The one pattern that survived their meta-analysis was activation in the lingual gyrus, a region involved in visual processing and mental imagery. That fits hypnosis involving vivid imagining. It is not a fingerprint.
Single studies show more specific changes. Jiang and colleagues found reduced activity in the dorsal anterior cingulate during hypnosis. They scanned 57 very high and very low responders out of 545 screened, and the hypnosis was guided by pre-recorded instructions.
So the fair summary is that hypnosis is associated with changes in brain activity. A change in activity does not by itself show whether anyone’s problem gets better; that is what clinical trials are for.
Does hypnosis actually help with anything?
In 2024 Rosendahl and colleagues gathered 49 meta-analyses covering 261 primary studies. The most robust evidence was for people undergoing medical procedures and people in pain. Only nine of those 49 meta-analyses were rated high in methodological quality.
The newest review of pain, by Yim and Derbyshire (European Journal of Pain, 2026), pooled 57 studies and 4,572 participants: against comparisons that did nothing active, hypnosis reduced pain by a standardised −0.33. Against relaxation (−0.13), pain education (−0.17 to −0.19) and CBT (−0.32) it did not come out ahead. The authors conclude it “yields modest reductions in clinical pain comparable to other psychological interventions” and should not be presented as reliably superior.
The topic-by-topic picture is on the does hypnosis work page.
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Common questions
Is hypnosis real?
Yes. Hypnotic suggestion produces measurable changes in behaviour and brain activity, and people differ stably in how strongly they respond. It is focused attention, not sleep, and you stay in control. Researchers still debate whether a special state explains it. The clinical evidence is strongest for pain and medical procedures.
Is hypnosis just imagination or placebo?
Partly, on one respected view. Lynn, Kirsch and colleagues argued in 2015 that suggestibility outside hypnosis, expectation and motivation account for as much as the majority of variance in hypnotic responding. They also conceded hypnosis might have state-like features not yet identified. Either way, the responses themselves are real.
Can a hypnotist make you do something you don’t want to do?
Not through hypnosis itself. The British Psychological Society wrote in 2001 that hypnotic procedures are not in themselves able to cause people to commit acts against their will. It added that the setting can pressure people to comply, so a stage or an audience deserves more caution than the trance.
Can you get stuck in hypnosis?
No authoritative source addresses it directly. What the evidence says is that people in hypnosis typically stay aware of their surroundings, respond to them, and can usually recall most of it afterwards. A recording also simply ends.
Is hypnosis dangerous?
Serious harm is rare in the trials we have. Bollinger’s 2018 review found no reported serious adverse events attributable to hypnosis, and other adverse events at 0.47 per cent, in medical rather than psychiatric settings. Better Health advises avoiding it with severe depression, psychosis, a drug or alcohol problem, or uninvestigated chronic pain.
Do brain scans prove hypnosis is real?
They show changes, not proof. A 2017 meta-analysis concluded that few reliable brain patterns emerge across studies; the one consistent finding was in the lingual gyrus, a region linked to imagery. That supports hypnosis being a real process. Whether it helps a particular problem is a question for clinical trials.
Where these numbers come from
- Raz A, Shapiro T, Fan J, Posner MI. Hypnotic suggestion and the modulation of Stroop interference. Arch Gen Psychiatry. 2002;59(12):1155-61. doi:10.1001/archpsyc.59.12.1155
- Acunzo DJ, Terhune DB. A critical review of standardized measures of hypnotic suggestibility. Int J Clin Exp Hypn. 2021;69(1):50-71. doi:10.1080/00207144.2021.1833209
- Lush P, Moga G, McLatchie N, Dienes Z. The Sussex-Waterloo Scale of Hypnotizability (SWASH): measuring capacity for altering conscious experience. Neurosci Conscious. 2018;2018(1):niy006. doi:10.1093/nc/niy006
- Piccione C, Hilgard ER, Zimbardo PG. On the degree of stability of measured hypnotizability over a 25-year period. J Pers Soc Psychol. 1989;56(2):289-95. doi:10.1037/0022-3514.56.2.289
- Peter B, Roberts RL. Hypnotizability norms may not be representative of the general population: potential sample and self-selection bias considerations. Int J Clin Exp Hypn. 2022;70(1):49-67. doi:10.1080/00207144.2021.2003694
- Elkins GR, Barabasz AF, Council JR, Spiegel D. Advancing research and practice: the revised APA Division 30 definition of hypnosis. Int J Clin Exp Hypn. 2015;63(1):1-9. doi:10.1080/00207144.2014.961870
- Lynn SJ, Green JP, Kirsch I, Capafons A, Lilienfeld SO, Laurence JR, Montgomery GH. Grounding hypnosis in science: the “new” APA Division 30 definition of hypnosis as a step backward. Am J Clin Hypn. 2015;57(4):390-401. doi:10.1080/00029157.2015.1011472
- British Psychological Society. The nature of hypnosis: a report prepared by a Working Party at the request of the Professional Affairs Board. Leicester: BPS; 2001. Copy hosted by a hypnotherapy training college: ukhypnosis.com
- Landry M, Lifshitz M, Raz A. Brain correlates of hypnosis: a systematic review and meta-analytic exploration. Neurosci Biobehav Rev. 2017;81(Pt A):75-98. doi:10.1016/j.neubiorev.2017.02.020
- Jiang H, White MP, Greicius MD, Waelde LC, Spiegel D. Brain activity and functional connectivity associated with hypnosis. Cereb Cortex. 2017;27(8):4083-93. doi:10.1093/cercor/bhw220
- Rosendahl J, Alldredge CT, Haddenhorst A. Meta-analytic evidence on the efficacy of hypnosis for mental and somatic health issues: a 20-year perspective. Front Psychol. 2024;14:1330238. doi:10.3389/fpsyg.2023.1330238
- Yim TH, Derbyshire SWG. A systematic review of hypnosis for clinical pain relief. Eur J Pain. 2026;30(8):e70369. doi:10.1002/ejp.70369
- Montgomery GH, David D, Winkel G, Silverstein JH, Bovbjerg DH. The effectiveness of adjunctive hypnosis with surgical patients: a meta-analysis. Anesth Analg. 2002;94(6):1639-45. doi:10.1097/00000539-200206000-00052
- Forbes A, MacAuley S, Chiotakakou-Faliakou E. Hypnotherapy and therapeutic audiotape: effective in previously unsuccessfully treated irritable bowel syndrome? Int J Colorectal Dis. 2000;15(5):328-34. doi:10.1007/s003840000248
- Bollinger JW. The rate of adverse events related to hypnosis during clinical trials. Am J Clin Hypn. 2018;60(4):357-66. PMID 29485379
- Better Health Channel (Victorian Government). Hypnosis [Internet]. Melbourne: State of Victoria; [cited 2026 Sep 25]. betterhealth.vic.gov.au
Every quotation above can be checked against these sources.
Related
- Does hypnosis work?Real is one question. Useful for your problem is another, answered topic by topic.
- Free hypnosis downloadsThe cheapest way to find out how you respond.
- All sessionsSorted by what you want to change, with the evidence for each.
- Where it holds up best: painThe strongest clinical ground hypnosis has, and its limits.
Ernest McLeod — clinical hypnotherapist. An Adelaide practice, seeing clients across Australia by video. Fourteen years in practice.
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I use hypnosis in my own practice, so this page quotes researchers on both sides of the debate and links every source. More →
The simplest way to find out how you respond: one free recording, on an evening you are not driving anywhere, after checking the list above.
Results vary from person to person, and hypnosis does not replace medical care or treatment. General information, not medical advice. The recordings sold elsewhere on this site are self-help audio sessions, not medical treatment or a substitute for professional care, and no outcome is claimed for any of them. Better Health Channel lists who should avoid hypnosis; see above. Never listen while driving, and do not stop prescribed medication without your doctor’s approval.