Regarding dreams, this is an interesting response I found:
The things your mind thinks up, those things are created on the Astral Plane. If you have fears, you might very well create your own nightmare out there, but it is not real. It is simply energy converted for a scenario that is played out in your dream. As an astral projector, via the astral body, you will often witness these dreams taking place. They look like scenes of a movie being played out. As the person nears the wake state, the scenes dissipate and dissolve away. They are also capsuled within a bubble that looks much like an Orb. That’s how you can tell that it is a dream in motion. As you watch the bubble dissolve, you know the dream is coming to a climax.