While not strictly a lucid related thing, I'll start you off with a dream I had. Me and my friend are walking through a fancy hotel. We're wearing suits. We get to a hotel room, and break open the door. We kill the guards inside, then go into the bathroom. There's a safe. I start trying to crack it, when my friend is killed. I turn to shoot his killer, but I'm killed first, and wake up.
Now, with this dream in my mind, a question was raised in my head; can I steal information from my head? Like, for example, say I have a math final tomorrow. I haven't studied. That night, while dreaming, is it possible for me to break into my mind, steal everything I know about math, then be ready for the quiz? This is an example, of course. If you've had any experiences like this, or have any info, please tell. Thanks.