Even in Hetero-hypnosis, where the hypnotist hypnotizes a subject, it is extremely rare.
"A Practical Guide to Self-Hypnosis"
Melvin Powers
It is well to remember that all hypnosis is really self-hypnosis, and all Hetero-suggestions are transposed into self-suggestions.
"A Practical Guide to Self-Hypnosis"
Melvin Powers
The first is Hetero-suggestion, in which the self-realizing idea is received either wittingly or unwittingly from the outer world.
"The Life of the Spirit and the Life of To-day"
Evelyn Underhill