It would depend on if there is any outside influence occurring along with the experience. Also, your deeper conscious self is reflected in the dream state as well. It is a frightening experience to realize you are not what you think you are. Humbling. I don't think many people could handle it while embodied in flesh. You see, it is not like looking in a mirror. When you experience things like this, you ARE that other being, and at the same time, you are your everyday waking reality self. It is uncomfortable in the extreme to the psyche.