have you ever had a lucid dream, so vivid, you actually for a moment questioned if maybe you are actually nuts?

after realizing I was dreaming, I stand on the edge of the second floor of a building, over looking the first floor *like in a fancy hotel*. I was ready to jump, free fall, and then fly before I hit the ground and out of this place.

but before I did, my friends looked at me strange and asked "WHAT ARE YOU DOING?? Get back down!!"

my heart beat starts to raise, and I think, is this really a dream?? I look around me, and everything is so real. So solid feeling. Even the events that had passed prior were logical - normal. I've feet. I've arms. I'm breathing.

"am I losing my mind?"

but I look down and think, I'm not afraid. and in real life, I'm afraid of heights. In dreams I'm not. I measure the distance in my mind between me and the floor, twenty feet. So either, I'm right, it is a dream and I fly out of this place. Or I fall, break my legs and I've lost all sense of reality. And I'm mentally insane.

I look around me again, focusing in on details. Oh God, WHAT IF IT IS REAL?? But I had to know...Am I insane? Or am I dreaming? So as my friends scream, STOP, I jump!

Free falling, wind rushing past me, then flying! I remember being so happy it was a dream I was laughing as I flew out of the building!

Has anyone else been there? A dream so lucid, you questioned your own lucidity as insanity?