There is also a condition in which a person may experience this event many times, sometimes every time they go to sleep. This is my first and only experience so far, and I'd like to share it with you!

I don't find sleep paralysis paranormal what so ever. It seems like a very natural (albeit rarer) neurological "hiccup". I have had the fortunate luck of experiencing it once. Very interesting occurrence!
In mine, I was sleeping on my back on the bed, which is a position I almost never sleep in; but for some reason I felt it was comfortable that night. Just before I awoke, my eyes were open (literally), but I was still "dreaming".
My fiance was sleeping next to me, and I could see her with my peripheral vision. I was really seeing what I was seeing, as my eyes were open, but my brain was still "asleep", and was producing dream like images as well, over top of what I was seeing in reality.
I saw a dark figure rise up from the end of the bed (where my feet were). It slowly came up, black, drenched hair over a female body (think the exact depiction of The Ring girl, but more like 18-20 years old, and still petite). I couldn't make out a face at all, as the hair was over her face. Knotted and wet, as if she just came from rotting in some kind of bog. I tried to grab my fiance, as it was so vivid that I thought it was real, but I couldn't move, and felt helpless. I was so paralyzed that I couldn't even move my eyes, so I was stuck staring at this creature, who was staring at me, breathing, but not moving. I had to use my peripheral vision for everything.
My daughter, 16 years old, came up the stairs and into the washroom. Remember, though, the room was what I was seeing in reality, everything else was still the dream.
I attempted to scream out her name, so she could run away for her safety, as this creature seemed very dark and dangerous. So my daughter closed the bathroom door, and didn't hear me (because I was paralyzed and couldn't even groan).
That very instant is when I realized, "I'm dreaming!"
I don't have a daughter! (I'm 24). Once I came to that realization, I instantly became totally conscious. The creature was gone, and I felt quite relieved.
So that's my story! What did you think? Have you ever heard of this type of dream before? OR, have you ever experienced it?