Welcome to Apnea Board,
CV.Your symptoms do seem to be consistent with a diagnosis of sleep apnea. They sound just like what I went through...er...except for the menopause, that is.
And I used to wake up with a terrible feeling of unspecified dread that I couldn't quite articulate. I would just feel as though something very bad was going to happen.
Why don't you check out this link and decide for yourself?
Web MB Sleep Disorder PageYou're doing the right thing by seeing a doctor about your concerns. Let us know how it goes, and if you have any other questions, we're here to help.
Carl