It does sound like you're feeling stressed out, but it's not necessarily about the war or September 11th. It can be about things in general out of your control. If you're engaged to be married, it might be even be about the marriage coming up - that it's ever approaching, you can't really control it and it's an unknown, scary situation you're getting yourself into.
It might be time to focus on the things you DO have control over, and not stress about things you do NOT have control over. Remind yourself about all the things that you handle well in your life, and if something bothers you that you can't control, let it go. You might find that your dreams and your life get a bit better ...