Well, /x/, today I come to you with a bit of a problem. If you think this belongs in /mind/, I'll take it there; I was really hoping to get your opinions first, though.

So here's the deal: eight times now, seven whilst trying to sleep, I've heard - no, felt a... well for lack of a better term, a voice. It's distinctly female, and yelling/crying out in what appears to be a mix of terror and pain. It's loud, /x/. It only happens for a scant second or two, but it's so loud, so powerful that I can't react or even think while it's happening. It's as if it just overpowers everything else in the ol' noodle. And I feel pretty terrified and hurt myself after, it's by no means a pleasant experience. So, first few times this happened, I wrote it off as bad dreams or night terrors or something, but it started to happen more frequently - and now, while I was goddamn awake. Just going about my business, /x/. It's like somebody making an agonized shout in your ear with a bullhorn while simultaneously being tasered, man. That's the only way I can describe it aptly.
So, I turn to you e/x/perts, for answers. Is somebody telepathically crying to me for help? Somebody trapped, or - or maybe being tortured or something? Am I experiencing some kind of haunting? A curse? Minor possession, even? Or am I developing dementia?

Help me out here, /x/. Lend me your thoughts.
I'm not normally a guy who's prone to panic, but this is really starting to push it.

Pic related, sort of.