I haven't really studied it, but I'm familiar with the concept. I did try to get to a lucid dreaming state for a while many years ago, but have only found myself there randomly and not very often (and I've had the awareness that I'm dreaming, but not been able to exercise very much control over the dream as I'd like on those rare occasions when it happens at all). So obviously there's more to it than the sound-bite descriptions make it sound like.
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