D's told me to start a diary of when I have nights like this so I can see if there's any kind of pattern. So I have. So we'll see. I told the doctor about it a few months ago when I had two such nights in a row, and she prescribed me some ambien, which I don't like to take unless absolutely necessary.
But not getting any sleep sucks, especially when you're married, because you end up keeping the other person up, too. And then we both feel lousy.