We do know that you are more likely to remember early morning dreams than others. Some people claim they have control over their dreams although this has never been scientifically proven. Some people dream in color, others in black and white. Some people claim they can see the future in their dreams. This has never been scientifically documented.
Many people believe that there is a lot of symbolism in our dreams.
The Induction Process Requires trust, concentration and something to focus on in order to produce a trance. The power of suggestion is a crucial part of the process. The person ceases to make plans, there is a loss of initiative, and the person trusts the hypnotist to take care of them. There is selective attention. The person becomes very focussed.