Hello Dragonfly. My mood changes tend to be minor these days, compared to what they used to be like, but definitely when my sugar levels go out of wack it doesn't help. (I have type 2 diabetes). Right now I'm having problems controlling the diabetes with diet and pills so the doc and I are looking for answers other than insulin if it can be avoided. And yes I'm a bit moody right now, but that's also partly because I have a lot going on in my life right now.
In regards to nightmares, I had a real problem for yrs, but my pdoc and I were able to spend some time examining them and possible causes and they have really tapered off since then. Take Care. paul m