Lucid dreaming lets you make use of the dream state that comes to you every night to have a stimulating reality.
Your experience is a dream; so is my experience. This stuff about how the frontal cortex is repressed during dreaming, lucid dreaming presents an obvious contradiction to it. The only difference is sensory input.
Lucid dreaming has considerable potential for promoting personal growth and self-development, enhancing self-confidence, improving mental and physical health, facilitating creative problem solving and helping you to progress on the path to self-mastery.
The consciousness of lucid dreaming is a cultural evolution. It's something that we are talking about and learning about, not biological evolution.
Not all lucid dreams are useful but they all have a sense of wonder about them. If you must sleep through a third of your life, why should you sleep through your dreams, too?
From early childhood, I was interested in understanding how the world worked, and assumed I would be some kind of physical scientist or chemist. But the truth was, I didn't know there was another kind of world, the inner world, that was just as interesting, if not more relevant, than what was going on in the outside world.
