The answer is yes. That can be dangerous because if you can be easily deceived, Satan can and does take advantage of the opportunity. Let me give you one example. Over a five year period, in the late 70's and early 80's, a massive study was done of more than 6,000 people who had undergone hypnosis. But let me tell you about some other experiments.
Hypnosis is dangerous.
If you have not been hypnotized, don't be . Dear Lord, I come to you in the name of your Son, Jesus Christ. I confess that I have participated in Hypnotism. One of the earliest exponents of hypnotism, his treatments by hypnotism known as mesmerism and popularly believed to be based upon electricity and magnetism, attracted a cultish and fashionable clientele in Paris. His practice was denounced by a royal commission.