Hi Marylin,
I agree with Intro. Its so easy for people to dismiss the existence of something they dont understand or have never experienced. I think that most people have experienced unusual things, but of course its down to whether we rationalise about it.
It is a fact that there are states of awareness (such as the hypnogogic state of sleep) which can cause us to hallucinate. However, there are other occurrances in which an experience can be considered to be not just an hallucination, such as when a person recieves a message from the entity which is later checked out and turns out to be correct (something the person didnt know before, or about a future event). What about some peoples experiences where they lose an object then find it 20 years later somewhere miles away? These things are recorded to have happened, and we cant explain it.
Many with a scientific mind want so called "rational" answers to everything. Those with a very creative scientific mind are open to any possibility no matter how strange it sounds!
Remember too that if one of these atheists had an experience that couldnt be explained away, they may start to believe in God. A man on a TV show about ghosts said that he'd never believed in God and never studied the paranormal, but in a hotel room which was notorious for being haunted he clearly saw the ghost of a little girl in his room, on two nights. OK it was a TV show, but it has been known for those who do not believe to have an experience that changes their mind.
Personally, I've had so many different experiences that I cant deny the existance of some power that we dont understand fully yet.
Sirona