Shafaqna (International Shia News Agency) – The Grand Ayatollah Sistani answered some questions regarding hypnotism. According to Shafaqna the question and answer is as follow:
Question: Is hypnotism permissible? Is invocation of spirits permissible?
Answer: If it puts a person in harm’s way, it is harãm, and therefore forbidden.
Source: Ayatollah Sistani