If you wish to know more about self-hypnosis, you can see my reply to question asked in Quora about Self-Hypnosis.
This site is providing information about hypnosis! Hypnosis is an alternative medicine that can used for a wide range of issues, categorized under Illness (Mild Depression, Pain Management, Teeth Grinding); Daily Issues (Insomnia, Weight Loss, Phobia, Anxiety, Anger Management); Break Habits (Stop Smoking, Nail Biting, Quit Alcohol); Improve Performance (Sports management, Focus, Improve Concentration, Improve Memory). It is effective as can be seen here: "In 1970, a research conducted by Alfred Barrios found that hypnotherapy had a massive 93% success rate after only 6 sessions compared to only a 72% success rate with behavioral therapy (after 22 sessions on average), and only 38% success rate with psychotherapy (after an average of 600 sessions)."
If you wish to know more about self-hypnosis, you can see my reply to question asked in Quora about Self-Hypnosis.