well how bout this. there have been 4 sightings by 4 people in my mom's house. all saw the same thing but never discussed it until years later. I have never seen it but I've heard thngs so "real" that the one time I was too scared to move, and the second time I actually thought it was my mom walking in the room above me. But she wasn't home. And this was when I was about 26 so it wasn't my imagination.