Its called Lucid dreaming, many people can do it, some have had the ability since they were little kids, others have taught themselves how to do it.
Its another world...
Some may think feh...its just some stupid "new age" crap... Lucid dreaming has been around for a VERY long time... The australian aboriginal beleifs are strongly rooted in dream time and lucidity.
Reality is what you make it, I can learn, experience and grow in the dreaming, so why then is it not real? Because I am the only one that experienced it? Of course I am the only one that experienced it, each and every one of you are the only ones experienceing your particuar reality, sure the people surrounding you may experience something similar, but its never exactly what you experienced.
Here is a little of my experience, in the dream world.
There are different levels of control,
Non-lucid, these are regular mish mashed image dreams that make no sense I just kind of watch myself on autopilot, recall of the dream when I awaken is sketchy at best. I get these every once in a while.
Low lucididity; These take up the majority of my dreams, its like I wake up but I am somewhere else. Its pretty much like here, there are physical laws in place, BUT...
They can be bent if you learn how, it does however cause exertion, you cant do something for an indefinate amount of time. Say for instance hurling around fire or doing the superman (flying). When I wake up, everything is fresh in my mind, if I think about it for a little bit the memories crystalize and can be recalled later like any other memory.
High lucidity; I get these rarely, this is where you are in total control, your a god, you can manipulate EVERYTHING without any exertion to yourself its just a matter of beleiving in yourself. Most of the Lucid dreamers I know experience this kind of lucid dream more thant he low level lucidity.
There really is too much for me to go on about, I could rant all night about this
but I wont, I will just point you in the right direction.
Stephen labergs book "Exploring the world of Lucid dreaming."
And
www.dreamviews.com its got some good info there and also the forum is populated by many experienced dreamers, you can PM me there or here if you have any other questins