under hypnosis

When a person is under hypnosis are very aware of himself?
please explain why? and I've heard they are very suggestible ….. this has to do only the following questions to answer or by the hypnotist and answer truthfully? Or how you can get in hypnosis? please explain. Thanks for your answers!
Under hypnosis, you do not do or follow an order in which they usually do not, are motivated to do things you would do in normal life but less encouraged to do so!
