The possibilities for human progression that this concept creates seem to have no bounds. For years psychologists and others have sought to find a perfect semi-conscious state of mind where a subject will have a strong link with their subconscious and may even interact with an interviewer using this frame of mind. Another name for this state of mind is called hypnosis. That is what puzzles most people who look into his research. Although not mentioned by Dr. Laberge in his studies, I think that there is a definite opportunity for a great unlocking of the secrets of the human mind.
Many practical applications exist for lucid dreaming.
There are of course the obvious, nightmare therapy, self-confidence enhancing, and general mental health improvements, but there are so many more ideas not yet explored. Some of these may include depression therapy for physically handicapped people allowing them a very real sort of fantasy fulfillment. Paralytics can walk, dance, fly, or do as they wish sexually whenever they choose. The possibilities for creative problem solving seem to be obviously enhanced. There even seems to be a great amount of possible sensorimotor practice that could possibly be used by stroke or other nerve damaged patients.