When I am dreaming, I speak to myself. I dont speak outloud, I know this because I notice this as I am waking up... the conversation seems to be abrupted (And all of a sudden I realize I was dreaming and there was no one else speaking to me). Sometimes , this conversation is about external events, if I hear people talking when I am asleep, I start talking about that. But there is an internal continuous conversation about anything, but usually about life. I keep talking , asking moral questions in my dreams and there is always a different entity speaking to me about it, provoking me to think about other possibilities or agreeing with me on certain matters or explaining things I don't understand. Sometimes I woke up with an answer to a organic chemistry problem or a biochemistry problem in my dream. Did this type of thing ever happen to you?
Part of that dialogue may be your higher Self speaking to you. If so, don't be surprised if your journey becomes spiritual. The other part may be guardians speaking to you. They may speak in the form of animals or they could be seen as higher beings. This is supposedly the realm of the Astral, where spiritual beings speak to us, instruct us, warn us. It also may be a manifestation of the Self (do you 'know' what I am talking about when I say 'the Self'?)
Maybe it is my higher Self. I am a hindu, so I have a definition of higher self, but I am not sure you mean what I think you mean. Also, it could be my sub-conscious self... as I have said earlier, when I was taking organic chem or Biochem as undergrad, i would literally find the answer in my dreams, its pretty cool... It would be pretty cool to see if other people have these experiences as well.
i think i'll have to agree with you white feather, i think thats absolutely normal. in fact, in my dreams are completely quiet. its kinda hard to explain but in my dreams everyone talks through such precise emotions that i know what they want to say. if that makes any sense.