1. Have you ever shared a dream with someone else? How often does this happen?
2. How often do you have lucid dreams – dreams in which you know you are dreaming?
3. What difference does this awareness make?
(4. In dreams where I realize that I am dreaming, indescribable beings appear and communicate to me only in thoughts; even in the dream I understand that the knowledge they are giving me is not meant to be remembered by the Siya who inhabits the 3-dimensional world we live in when we're awake awake. It feels like knowledge just at the edge of my awareness. Is this sort of experience normal?)
5. How often do you cross the boundary between dreaming and out-of-body travel? Is there a such boundary? Or are you completely skeptical about OBE claims?
2. Only a few times. And they're not really dreams - more like nightmares. Mentioned more in detail in the sleep paralysis threads: http://www.realjock.com/gayforums/212637/
3. Fucking scary and I try to wake myself up immediately.
4. I don't think so. LOL. That reminds me of a new age book I read once about a being from space contacting people through an ouija board. Seems like it's more a case of wishful thinking... or wishful dreaming. The people who believe in this seem to be mostly those who are unhappy or unfulfilled in real life (like OW's client) and thus the dreams of finding the 'answers'.
That said, dreams aren't 'recorded' by our memory centers unless we make the conscious effort to do so immediately after waking (like I do when I dreamt of something really nice).
There are times though, when they do get recorded. More often unconsciously. And they often become the bases for 'false memories' and instances of 'deja vu' especially for older people.
It's really just the case of neurons firing off electrical nerve signals (whether it's random or the result of certain neural activities/housekeeping is still to be discovered), following the most used paths and patterns since the more often we some parts of our brain the stronger the connections between them are. Because even a single thought is achieved only by the activation of millions of neurons at the same time in a specific area and pattern of the brain. They form networks so to speak making you dream more about things you know, want, experiences, etc. Valuable in exploring suppressed stuff, but not really magical, nor mystical, nor prophetic. So yes, it's normal that you forget your almost all of your dreams. Even if you do try to recall all your dreams (like in a dream journal for instance), the memory is flawed. You can't exactly capture the happenings for example and just remember the emotions involved (which are often strong, far stronger than they would have been logically). What seemed like a deep experience in dreams would more often than not look silly on waking up.
Like for example, I had a dream once of driving through the countryside and feeling very happy and contented and like I had finally found the answers to life. Waking up you realize that was just simply absurd. Why would cornfields make me that happy? And there were a few instances where I woke up sad or happy because of a dream that I can't even remember. That could explain your 'indescribable beings'. You remember the emotion of feeling awed and enlightened, even if the actual content (which you have forgotten) was actually quite mundane.
5. Skeptical. Very.