Self-hypnosis happens when a person hypnotizes himself or herself, commonly involving the use of autosuggestion. The technique is often used to increase motivation for a diet, quit smoking, or reduce stress. People who practice self-hypnosis sometimes require assistance; some people use devices known as mind machines to assist in the process, while others use hypnotic recordings.

Self-hypnosis is said to be a skill one can improve as time goes by, and can help reduce stage fright, promote relaxation, and enhance physical well-being.