I am leaning towards a new thought/theory that someone's hatred for you - if that can lead to you having struggle with low level energies attacks? Both in your nightmares and in reality?

With the one person I suspect, in the past, there were no sign except possible one but I have no way of knowing for sure, of the occult, secret society, ceremonies, if the use of black magic ever came to. Or does black magic have to be at play for such things to work?

Just saying I would never do black magic or wish ill on someone else like that, like the hatred I am referring to.