That's interesting, I would think sleep paralysis would take care of such a problem. Looks like you have minor sleep-walking symptoms.

This is a rather unique problem, you're going to have to experiment around until you find what works for you. Perhaps a change in caffeine (or other stimulant) intake before bed, or if all else fails break out the duct tape and tape it to the pillow! 

In your first post, are you talking about "knowing" your dreaming but not doing anything about it? Just tonight I had a dream where I knew I was in a dream but I took it so casually that it was the same as any other non-lucid dream. Continue dream recall, reality checks, comparing dream signs, and when you get more lucids under your belt this problem should take care of itself.

If your just talking about how to stay in it once the realization hits... like they said, spinning.

Keep at it!

- GA