Ok, I don't want to sound like a lunatic conspiracy theorist or anything, but this is just something to think about:
My SO recently told me about some rumor that scientists have figured out a way to use a shield/veil of light to hide an object, such as a body or a vehicle. In other words, they want to make something invisible (probably for war). Whether they have actually been successful with it or not, I don't know. But if humans have even been able to come close to imagining that this is possible, it makes me wonder how more advanced life forms could have already come up with it. It might seem like a stretch, but aliens might not be "demons" as the JWs would have it, but maybe their demons are actually "aliens".
On that note, I'd like to add that I've had a few experiences, including the successful use of a Ouiji board. I don't believe that my mind was moving the eye on the board, but I don't believe it was some demon either. Believing in aliens is way easier than believing in demons because it doesn't require faith to believe in such. In fact, it's easy to be an atheist if you believe in aliens. So, maybe earth is a big terrarium and aliens are having fun on it? Wouldn't you think that an alien who studies humans might be more interested in us than an ex-angel who already "knows" all there is to know about us because he watched us being created from the beginning? To me, a demon would be bored with us. To an alien, we could be college credit.
The Bible is a poor excuse for any sort of paranormal activity because the people who wrote it were just trying to explain unknown things that had been bothering them for a long time.
I also believe that nothing is in black and white. My SO suffers from sleep paralysis on a regular basis. So, many accounts could be that. Others could be energy, and some could be aliens. I'm comfortable believing in a little bit of everything and a lot of uncertainty because we might never have all of the answers. And BTW, it was barely 2 months ago when I firmly believed that aliens were tricks up Satan's sleeve, but now that I've allowed myself to think on my own, their actual existance would explain so much more than the Bible ever could.
I've had terrariums before, and sometimes little beings would just pop up out of nowhere, such as snails (from eggs in the soil I hadn't known about), and I thought it was pretty cool. If I had the power to invent life forms who were microscopic and who would worship me from the confines of their little glass tank, I would have....because it sounds like fun. If there are aliens, and they are advanced, why couldn't they have hobbies on other planets? That's every hobbiest's dream come true! LOL.
Like I said, don't believe me. But do try not to elevate the Bible writers to some other-worldly wisdom. They didn't know any more about the invisible realm than you and I do today. They were desperate to figure out the unknown, and they wrote about it.
And to those of you who have had experiences, I do believe many of them are true. I also believe that some can be the sleep paralysis deal (my SO has experienced "demons" and "aliens" with it, and he believes it was just his subconscious imagining certain things that he was afraid of and thinking of at the time), as for those of you who are mentally stable and were wide awake when things happened, I wouldn't go to the Bible for the answers because the guys who wrote it were just as confused as were are :)