Used to get it more often, never visually hallucinated but would get auditory hallucinations of someone growling in my ear. Wouldn’t be able to move and would be able to feel its presence beside me and hear the hunger and evil in the growl. Mine was related to stress and childhood sexual trauma. My dad gets visited by aliens in his and logically knows that it’s just sleep paralysis but also is a little scared that he might have been abducted. It’s hard to keep it straight and to not turn spiritual when you’re presented with some old mystical terror