Welcome to my nightmare

I was hanging out with my friends in an abandoned five story parking lot. We were on the third floor just looking around and this man comes out of no where and just kidnaps my friend. He runs off to the stairs and it took a while for us to think if we were going to go after him because we were afraid he might of had weapons or something that can cause us death. We ended up taking that risk for our friend and chased him up the stairs which led us up on the fifth floor. We started looking for them like crazy; out of no where these restrooms just appeared and we checked each stall and my friends found them. As they were fighting to get her back something on the corner of my left eye just caught my attention. I had seen a shadow of a man in the bathroom corner stall. As i peek a little more i seen him with a rope ready to hang himself and he did. Suddenly a laundry room appears and that man that happened to kill himself was coming after me so i hid and ran into this little room i see a window and a rope hanging out enough to let me reach safely on the floor. I didn't have to think twice about going down, but while i was going down i looked up and there he was with a knife and cuts the rope. I fell but was okay and i ran as fast as i could to get help and again he just suddenly appeared in front of my face ready to take my life away... I knew it was just a dream so i just to wake myself up because i didn't want to see such horror.