Weird Dream I keep having?

Ok so first i start off in a haunted house, and im all alone then a light turns on by its self i'm freaked out but i don't move so then i here some calling my name repeatedly, so i'm like trying to run away but then it says come back in a little girls Voice. so i turn around and it looks like the little girl from the exorcist so i push her down and run down the steps and then she is crying and i go back up the stairs and try to stop her from crying (something i would NEVER do in real life) and she was faking! and pushed me down the steps! so i'm like oh heck no! and i'm slapping the little girl around were fighting and she stab me but she misses and there a table with weapons on it,i grab the gun and shoot her and she's dead than her father tells me that she had a disease and she wasn't possessed and i go to jail then i end up dead theres my grave yard then theres credits like (name) plays little exorcist girl blah blah blah then im still dreaming but i wake up in my dream then i get shot what does this mean?