Hypnosis is a naturally occurring state of mind, so side effects are rare. The side effects that do happen tend to be related to an activation of the parasympathetic response—the rest and relax response or what psychologists call “satiation experiences.” For example, someone might experience his heart rate slowing down, his blood pressure reducing, or might perceive time speeding up or slowing down. Because of these changes, I generally recommend that people do not stand up too quickly immediately after a hypnotic session, as standing too quickly could cause dizziness or a headaches in rare cases. As long as the person hypnotized spends several seconds to several minutes allowing himself to transition from the hypnotic state, the side effects from emerging are incredibly rare.


Sometimes, when profound change work takes place, there can be an after effect that lasts up to several hours after trance termination. While the brain is integrating change at the deepest level the client may notice up to several hours of foggy thinking or perhaps a powerful sense of well being or euphoria. I have never had a client report this powerful after effect lasting longer than several hours.  Most clients feel great upon trance termination and are feeling normal within two to three minutes of emerging from trance.


William Wood
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William Wood

William Wood is a hypnotherapist, professional coach, and international trainer. Will has helped thousands of clients all over the United States, Costa Rica, Puerto Rico, and Peru create powerful personal transformation. William sees clients in Ogden, Utah, and over Skype. If you would like to book a consultation with William, or invite him to speak at your next event, you can contact me here:

William.Wood@NorthernUtahHypnosis.com or 801-203-3405 (please leave a message)

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In this 3 day workshop you will learn one of the most powerful meditation practices that William Wood has developed to help you find emotional freedom.  Within the first few hours of the workshop you[...]

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