Originally posted by: tcsenter
Edit - Lucid dreaming is where you are aware of the fact that you are dreaming, and can exercise some manner of control over your dream. The degree of control varies from simply conscious awareness ("living the dream") and can build up over time to deity-like proportions (last dream I was shotputting cars on a freeway
Correction: lucid dreaming is merely the cognitive awareness that you are asleep and dreaming as opposed to cognitively perceiving your dream as 'reality' (a hallucination, proper) or having no perceptible awareness of your dream at all. The exercise of 'influence' over your dream is a by-product of lucid dreaming, not a component of lucid dreaming.
Contrary to what has become a weird cult-like following and promotion of lucid dreaming, it may not be normal or even particularly desirable to have lucid dreams as a highly frequent event. By all accounts of modern sleep science and knowledge, there should be a 'disconnect' between your cognitive capacities and the REM stages of sleep. That's the way its supposed to be. When there isn't, something is wrong. REM sleep disorders are characterized by an intrusion of REM sleep into stages of consciousness that should be all but silent during REM activity.
Everyone has lucid dreams and other sleep disruptions as matter of infrequent occurrence, whether or not they realize or remember it after the fact. It is the frequency of these things which can cause them to become pathologic.
I have daily hypnagogic and hypnopompic hallucinations and psuedo-hallucinations as a result of a REM sleep disorder associated with narcolepsy. Which means I have lucid dreams every day, 365 days per year. Trust me, you don't want what I have. Be careful what you wish for, you just may get it.
Dream lucidity does not mean you invariably will gain the ability to influence your dream, nor is a lucid dream inherently always a 'nice' dream. Lucid dreams can range from the positively 'lovely' to the positively horrifying. You may be stuck with the latter, a cognitive awareness of it, but no ability at all to make it any more nice or any less horrifying.