Braid created a rough distinction amongst unique levels of hypnosis which he termed the very first and 2nd conscious phase of hypnotism, he later replaced this that has a distinction between "sub-hypnotic", "complete hypnotic", and "hypnotic coma" levels. Jean-Martin Charcot produced a similar distinction between stages named somnambulism, lethargy, and https://goo.gl/maps/5vjUhEDhdeq8xgw98