Each session forms a distinct unit. Since hypnotherapy deals with the unconscious, the seed for a learning process is sown during the session, which usually takes place unnoticeably at first on the unconscious level. The changes can be consciously noticed in the following weeks, sometimes even months. Results cannot be guaranteed, of course, because the factors for success are many and cooperation plays an important role. It is recommended to schedule sessions at an interval of 2 to 4 weeks. The necessary number of sessions depends very much on the person and the topic. The recommended value from experience is between 1 to 5 sessions for a topic. At the beginning of each session, perceptions and progress since the previous session are discussed.