seductive demons appearing in my dreams....???

Hi!
Firstly, I have not posted here for AGES, and for anything who is bothered by that, I apologise.
However, I just woke up from a small midday nap, slightly concerned, and this is the first place I thought of posting. To be honest, I'm not 100% sure that I'm not still dreaming.
Anyway, you know the half-dreaming state that you're in before you go into full dreaming? Slow-wave sleep, supposedly. I was probably there.. although what I remember is, firstly, a "visual" and moving dream in which I was crawling through soft play tunnels with my mother, but we both had badly fitting shoes on so we couldn't quite get out. Then, I woke up, I was still lying on my bed with my eyes closed, and decided I was going to carry on dreaming.
My body then felt very strange, as if it was vibrating, as I fell back into a sort of sleep. Anyway, what I then felt slightly freaked me out. I felt, very realistically (or so I thought) that I was kissing someone, in the position that I thought I was in on my bed. There was a wiry hair in my mouth though, and I pulled it out. I could feel a hand running along the curve of my back, and it was quite seductive. Then I opened my eyes (still in dream, I suppose) and saw that there was nobody there, but I could almost make out the shape. It dawned on me that I was kissing a ghost of some kind. To test this I bit their tongue! And they got annoyed, resisted and did it back. Then I felt their nails digging into my back. A part of my mind thought there must be some explanation, eg something brushing against my body in the waking world.
Then I said out loud "show me your face, very slowly"... a very vague image started to form in front of my eyes, it looked as if you looked at somebody's face in bright sunlight and then closed your eyes - the aftereffects. Then there was a huge wind, an angry wind, that started blowing around me. I decided that, interesting as this was, I was actually slightly concerned that this might be more than a dream.. that this might be some kind of metaphysical parasite or demon (for lack of a better word) seducing me in my dreams, like a vampire... exploiting my weakness there so I would give over some part of myself... I don't know! As I gently woke up though, I could see this freaky demony face on the back of my eyes - blue, pointy, kind of old and evil, and in profile....
SO.... any ideas what this was???