Happens probably once every 3 months. For me, the unfortunate part is that it is accompanied by "waking dreams", basically hallucinations where it is impossible for me to determine reality from dream. As the article suggests, I am confident that this is the source for most, if not all, abduction and nighttime haunting myths.
Thanks for the link, and I hope it helps people. I did research on it for myself a long time ago.
The Philosophy Of Liberty -
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