What Is Clinical Hypnotherapy?

If your idea of hypnotherapy involves swinging pocket watches and people clucking like chickens on stage, you're not alone. Most people's understanding of hypnosis comes from entertainment, and the reality of clinical hypnotherapy is quite different, and frankly, more interesting.

A Working Definition

Clinical hypnotherapy is a therapeutic approach that uses hypnosis, a state of focused attention and heightened suggestibility, to help people make positive changes to their thoughts, feelings and behaviours. It is practised by trained professionals in a clinical setting, with specific therapeutic goals agreed between practitioner and client.

The hypnotic state itself is natural. You have experienced something very similar when you have been absorbed in a good book and lost track of time, or driven a familiar route and arrived without remembering the journey. These are everyday trance states, and clinical hypnosis works with the same neurological mechanisms in a more structured, directed way.

The word hypnotherapy combines "hypnosis" (from the Greek hypnos, meaning sleep, though the state is not sleep) with "therapy" (treatment). The term was first used in the 1840s by Scottish surgeon James Braid, who recognised that what he observed was not sleep but a distinct neurological state with therapeutic potential.

What Hypnotherapy Is Not

Clearing up misconceptions is important because they prevent many people from trying a therapy that could genuinely help them.

• It is not mind control. You cannot be made to do anything against your will. You remain aware and in control throughout. If a suggestion conflicts with your values or wishes, your mind simply rejects it.
• It is not sleep. Despite the name, you are not asleep during hypnosis. You are in a state of focused relaxation, more aware in some ways, not less. Most clients report hearing everything the therapist says.
• It is not stage hypnosis. Stage performers select willing participants who want to be part of a show. Clinical hypnotherapy is a private therapeutic process with completely different aims. For a fuller exploration of these differences, see our myths about hypnosis guide.
• It is not magic or pseudoscience. It is a well-established therapeutic tool with a growing evidence base. It works through understood psychological and neurological mechanisms that researchers have documented using brain imaging technology.
• It is not a last resort. Many people come to hypnotherapy as a first choice, not because everything else has failed. Others combine it with conventional medical treatment or other therapies.

How Hypnosis Works in the Brain

Brain imaging research using fMRI and EEG has revealed what happens neurologically during hypnosis. Three key changes occur. First, activity in the dorsal anterior cingulate cortex decreases. This is the brain region involved in evaluating whether something needs your attention. When its activity drops, you become less self-conscious and less critical of incoming suggestions.

Second, connectivity increases between the dorsolateral prefrontal cortex (planning and decision-making) and the insula (body awareness). This stronger connection helps the brain gain greater control over physical sensations and emotional responses, which explains why hypnosis is effective for pain management and anxiety.

Third, connectivity decreases between the dorsolateral prefrontal cortex and the default mode network (the brain's self-reflection system). This reduction means you become less aware of your own actions and less likely to second-guess what you are experiencing. You simply engage with the therapeutic process rather than analysing it.

These findings, published in studies from Stanford University and other research institutions, confirm that hypnosis produces a distinct neurological state. It is not imagination, relaxation alone, or placebo. For a more accessible explanation, see our guide on how hypnosis works.

How a Session Works

A typical clinical hypnotherapy session lasts 50 to 75 minutes and has three phases.

1. Consultation and Discussion

Every session begins with conversation. In a first appointment, this takes approximately 30 minutes and covers your history, what you want to achieve, and any questions you have about the process. In follow-up sessions, the discussion is shorter, focusing on progress since the last session and refining the treatment plan. This conscious-level work is important and therapeutic in its own right.

2. Hypnosis

The therapist guides you into a hypnotic state using relaxation techniques and focused attention. You sit in a comfortable chair with your eyes closed. The induction typically takes three to five minutes. Once you are in a relaxed, focused state, the therapist uses various techniques depending on your treatment plan: direct suggestion, guided imagery, cognitive restructuring, regression, parts therapy, or other approaches. This phase typically lasts 20 to 40 minutes.

During hypnosis, you remain aware of your surroundings. You can hear the therapist's voice, you can open your eyes if you choose to, and you cannot be made to say or do anything against your will. Most people describe the experience as deeply relaxing and pleasant. Some feel as though time passes more quickly than expected.

3. Reorientation and Debrief

The therapist counts you back to full alertness (reorientation takes less than a minute). You then briefly discuss how the session felt, and the therapist explains any self-help techniques to practise before the next appointment. These might include self-hypnosis exercises, breathing techniques, or cognitive reframing strategies.

For a detailed walk-through of the entire first appointment process, see the first session guide.

Conditions Treated by Hypnotherapy

Clinical hypnotherapy is used for a wide range of conditions. The evidence base varies by condition, with some areas having strong research support and others relying more on clinical experience.

Strong Evidence

• Anxiety disorders including generalised anxiety, social anxiety, and performance anxiety. Multiple meta-analyses support hypnotherapy's effectiveness for anxiety reduction.
• Specific phobias such as needle phobia, flying phobia, dental phobia, and animal phobias. Hypnotherapy often resolves specific phobias in two to four sessions.
• Irritable bowel syndrome (IBS). The Manchester protocol for gut-directed hypnotherapy is one of the best-evidenced applications. NICE guidelines reference its use, and NHS services offer it in some regions.
• Chronic pain management. Studies show hypnosis can reduce pain perception by 30 to 50% in responsive individuals. It is used in burns units, dental practices, and pain clinics internationally.
• Smoking cessation. Hypnotherapy is one of the most popular methods for quitting smoking, with studies showing success rates of 30 to 40% at 12-month follow-up.

Good Clinical Evidence

• Insomnia and sleep problems. Hypnotherapy improves sleep onset, duration, and quality. It is particularly useful when insomnia is driven by anxiety or racing thoughts.
• Weight management. Most effective when combined with dietary and behavioural changes. Hypnotherapy addresses the psychological drivers of overeating rather than prescribing a diet.
• Low confidence and self-esteem. Hypnotherapy accesses and restructures the negative self-beliefs that underpin low confidence, often tracing them to formative experiences.
• Children's issues including bedwetting, exam anxiety, and childhood phobias. Children often respond faster than adults due to their natural imaginative capacity.
• Habits. Nail biting, teeth grinding (bruxism), hair pulling (trichotillomania), and other automatic behaviours respond well because they operate below conscious awareness, exactly the level at which hypnotherapy works.

Emerging Research

• PTSD and trauma. Hypnotherapy is increasingly used alongside EMDR and CBT for trauma processing, though large-scale trials are still in progress.
• Surgical preparation. Pre-operative hypnosis reduces anxiety, post-operative pain, and recovery time. Several hospitals now offer hypnosis as part of surgical care.
• Dermatological conditions. Eczema, psoriasis, and warts have shown response to hypnotic suggestion in clinical case studies, though controlled trials are limited.

The Evidence Base

The scientific credibility of hypnotherapy has grown substantially over the past three decades. Key milestones include the American Psychological Association's Division 30 (Society of Psychological Hypnosis) publishing evidence reviews, Stanford University's neuroimaging studies demonstrating measurable brain changes during hypnosis, and the British Medical Association recognising hypnotherapy as a legitimate therapeutic tool as far back as 1955.

The NHS recognises hypnotherapy as a complementary therapy. NICE (National Institute for Health and Care Excellence) has referenced its use for specific conditions including IBS. For a deeper look at the NHS position, see our article on whether hypnotherapy is NHS-recognised.

The CNHC (Complementary and Natural Healthcare Council), accredited by the Professional Standards Authority, maintains a register of qualified hypnotherapists. Registration requires verified qualifications, adherence to a code of conduct, and professional indemnity insurance.

Different Approaches to Hypnotherapy

There are several distinct approaches within clinical hypnotherapy. Most experienced practitioners draw from more than one, adapting their methods to the client and condition.

Suggestion Therapy

The simplest and most direct approach. The therapist delivers specific suggestions for change while the client is in a hypnotic state. Effective for habits, straightforward phobias, and issues where the client knows what they want to change but cannot seem to make it happen consciously. Typically requires fewer sessions than other approaches.

Cognitive Behavioural Hypnotherapy (CBH)

Combines the principles of cognitive behavioural therapy (CBT) with hypnosis. The client learns to identify and challenge unhelpful thought patterns at both the conscious and subconscious level. This dual-level approach can produce faster results than CBT alone for some conditions. Read more in our article on cognitive behavioural hypnotherapy.

Ericksonian Hypnotherapy

Developed by the American psychiatrist Milton H. Erickson, this approach uses indirect suggestion, storytelling, and metaphor rather than direct commands. It is particularly effective for clients who are analytical or resistant to direct suggestion. Erickson's methods influenced much of modern psychotherapy beyond hypnosis.

Solution-Focused Hypnotherapy

Draws from solution-focused brief therapy (SFBT). Rather than exploring problems in depth, the therapist helps the client envision their preferred future and uses hypnosis to reinforce that vision. Structured around a fixed number of sessions, typically 8 to 12.

Analytical Hypnotherapy (Hypnoanalysis)

Uses hypnosis to explore the root causes of a problem, often tracing current difficulties back to earlier experiences. This approach takes longer (10 to 20 sessions) but can resolve deep-seated issues that other methods only manage at a surface level. Not appropriate for all clients, particularly those with complex trauma, where specialist psychological support may be more suitable.

You can read about how these approaches compare to counselling and other therapies.

How Many Sessions Are Needed?

The number of sessions depends on the condition and the individual. As a general guide:

• Smoking cessation: 1 to 3 sessions
• Specific phobias: 2 to 4 sessions
• Anxiety: 4 to 8 sessions
• Weight management: 6 to 10 sessions
• Confidence and self-esteem: 4 to 8 sessions
• Sleep problems: 3 to 6 sessions
• Complex or deep-rooted issues: 10 to 20 sessions

These are ranges, not guarantees. Some people respond quickly and need fewer sessions. Others benefit from a longer course of treatment. A good therapist will review progress regularly and adjust the plan accordingly. See our fees page for session costs.

Who Can Be Hypnotised?

Most people can be hypnotised to some degree. Research suggests that about 10 to 15% of the population are highly hypnotisable (they enter deep trance easily), about 10 to 15% are low in hypnotisability (they may not notice much subjective change), and the remaining 70 to 80% fall somewhere in between.

The good news is that therapeutic benefit does not require deep trance. Even light to medium levels of hypnosis are sufficient for most therapeutic work. What matters more than depth of trance is the client's motivation, the quality of the therapeutic relationship, and the skill of the practitioner.

Factors that help: genuine desire to change, ability to concentrate, willingness to follow guidance, and a reasonable imagination. Factors that hinder: active resistance, severe intoxication, certain psychotic conditions, and very young age (below about seven).

Choosing a Qualified Hypnotherapist

In the UK, hypnotherapy is not statutorily regulated, which means anyone can technically call themselves a hypnotherapist. This makes choosing the right practitioner important. Key things to check:

• CNHC registration. The Complementary and Natural Healthcare Council is the only voluntary register accredited by the Professional Standards Authority for Health and Social Care.
• Professional body membership. Look for membership of organisations like the National Hypnotherapy Society, the British Society of Clinical Hypnosis, or the National Council for Hypnotherapy.
• Relevant training. A minimum of a diploma-level qualification from a recognised training provider, ideally with supervised clinical hours.
• Insurance. Professional indemnity insurance is essential and a mark of a serious practitioner.
• Specialisation. If you have a specific condition, ask whether the therapist has experience treating it.

For a more detailed guide, see how to choose a hypnotherapist.

Self-Hypnosis: Can You Do It Yourself?

Self-hypnosis is a genuine skill that most people can learn. Many therapists teach it as part of treatment so that clients can reinforce therapeutic work between sessions. The basic process involves finding a quiet place, using a simple relaxation technique (progressive muscle relaxation, counting down, or focused breathing), and then delivering pre-prepared suggestions or imagery to yourself.

Self-hypnosis is most effective for stress management, sleep improvement, confidence building, and maintaining changes made during professional sessions. It is less effective for deep-rooted issues that benefit from a trained therapist's guidance and the interpersonal dynamic of a clinical session.

Free recordings and apps can provide a useful introduction, but they lack the personalisation of working with a therapist who tailors every session to your specific situation, history, and goals.

A Brief History of Hypnotherapy

The therapeutic use of trance states predates modern medicine by thousands of years. Ancient Egyptian "sleep temples" and Greek healing rituals used forms of suggestion and focused attention that bear resemblance to modern hypnosis.

The modern history begins with Franz Anton Mesmer in 18th-century Vienna, who attributed healing effects to "animal magnetism" (hence "mesmerism"). His methods worked, but his theory was wrong. James Braid, a Scottish surgeon practising in Manchester, coined the term "hypnosis" in 1841 and established it as a neurological phenomenon rather than a mystical one.

In the 20th century, Milton Erickson transformed the field by developing indirect suggestion techniques. Dave Elman created rapid induction methods used in medical settings. The American Medical Association accepted hypnosis as a legitimate therapy in 1958. The British Medical Association had done so three years earlier, in 1955.

Today, hypnotherapy is practised worldwide, taught in universities, and studied using the same neuroimaging technology used to research other psychological interventions. It occupies a respected, if sometimes misunderstood, position in the broader landscape of mental health and wellbeing.

Hypnotherapy Compared to Mindfulness

Both hypnotherapy and mindfulness involve focused attention and altered states of awareness. The key difference is direction. Mindfulness encourages non-judgemental observation of present-moment experience. Hypnotherapy uses focused attention to deliver specific therapeutic suggestions aimed at changing thoughts, feelings or behaviours. Mindfulness is a self-directed practice. Hypnotherapy is typically guided by a trained practitioner with a treatment goal.

Many therapists, including myself, incorporate elements of mindfulness into hypnotherapy sessions, particularly for anxiety and stress management. The two approaches complement each other well.

Is Hypnotherapy Right for Me?

Hypnotherapy works best for people who are genuinely motivated to make a change, willing to engage with the process, and open to the experience. It does not require any particular belief in hypnosis. You do not need to "believe" for it to work. But you do need to be willing to participate.

It is not suitable for everyone. People experiencing active psychosis, severe personality disorders, or those under the influence of drugs or alcohol should not undergo hypnotherapy. For most other people, it is a safe, pleasant, and often surprisingly effective therapeutic experience.

If you are still unsure, the best next step is a free telephone consultation. We will discuss your situation honestly, and if hypnotherapy is not the right approach for you, I will say so and suggest alternatives.