Some of the target questions can easily be explained by sleep paralysis, thereby giving you such an extraordinary large group. I think these questions could be fine tuned some. Some too can be explained away by nightmares that are in fact only nightmares.
I do not know if I believe in Alien abduction or not. I try to keep an open mind, but since I have never seen anything that out of the ordinary, I lean toward another possible explanation. Sleep paralysis for instance has only been explained in the last decade. Perhaps there is much more in our Psyche that we do not understand, and Alien abductions will eventually be explained away, when we understand our own minds better.
This was an interesting article, however, thank-you!