To start a little about myself is in order. I am quite bi-polar and have discounted every SSRI as complete trash for my depression. In fact, in 1989 I tried to kill myself after 4 months on Prozac. Not that I wanted to die, I just didn't care to live.
This last year in 2005 I was prescribed Mirtazapine and it has changed my life. I'm not depressed though I can still have that emotion like when my dog died. In my opinion, a Bi-polar person can understand depression on a level beyond depression and I tell people it's like the non-smoker trying to understand why it is hard to quit. This isn't about depression though. Mirtazapine has some interesting side effects.
The second night I took it I went from being in bed to rupturing the plane between awake and full on lucid dream completely conscious. My ears were ringing like a DMT trip for about 30 seconds and BAM I was lucid and creating a dreamscape as I flew out my window in euphoria.
This only happened the first few nights but I could stop taking the Mirtazapine for a week and get the same results (though I fell back into my bi-polar depression at the same time.)
I don't know what it is but Mirtazapine has also changed the nature of my dreams on a nightly basis. As a depressed man I often had dreams of horrible things. My dead father would torment me. Kids I knew in High School would chase me threw nightmares filled with wrecked cars and tornadoes, drug busts for giant mushrooms and women laughing. Every dream I remembered had some element of nightmare to it. Now my dreams are of me being the 'movie star' of sorts. Women hated me in dreams for 20 years but now I regularly have sexual dreams where I fulfill several women who come back for more.