The history of hypnosis is as ancient as that of sorcery, magic, and medicine; indeed, hypnosis has been used as a method in all three. Its scientific history began in the latter part of the 18th century with Franz Mesmer, a German physician who used hypnosis in the treatment of patients in Vienna and Paris.
Theories have been brought to rest with scientific research. Hypnosis is just a relaxed state of mind, and you bypass the conscious mind to make the subconscious mind open to suggestion, basically.
There is no scientific evidence to support the efficacy of 3D hypno rings in inducing hypnosis or influencing behavior. Hypnosis relies on the power of suggestion and the individual's willingness to participate. It is always best to consult with a qualified hypnotherapist for any hypnosis-related concerns.
Some experts in hypnosis can use the techniques of hypnosis to hypnotize someone instantly through conversation. This is called covert hypnosis. For more information on covert hypnosis and other forms of hypnosis visit hypnotizepro.com
There is no TM for Hypnosis in any of the versions of the game. Unfortunately, the only way to learn hypnosis is through breeding or your Pokemon leveling up. Level up haunter and it might get hypnosis.
You can get hypnosis training at local shops, or by a trained professional. Hypnosis training can be attained by going to many institutions in California, home of hypnosis training.
Hypnosis is not a TM.
Trance is a state of hypnosis.
There is no hypnosis TM
hoothoot knows how to use hypnosis
A hypnosis practitioner also known as a hypnotist is a person who performs hypnosis on someone else.
Unfortunately, Hypnosis is not a TM in Pokemon Black or White. You would have to get it by leveling up.