Marlee, I think all of us are very sensitive people and that's why we have the myriad of symptoms we do. Yes, I startle easily but I was blaming that on my hearing loss. When I hear something, I don't have a clue about what I might be hearing because the sound is so distorted. So, I try not to worry about it. I will walk around trying to see what it was and some times I find a cause and sometimes I don't.
But, your anxiety is kicking in. You know that. Try to figure out what you are so afraid of. I know "unknown" sounds can be frightening but not usually to the point of nearly passing out. If I were you, when this type of thing happens, stay seated and cup your hands over your nose and mouth and breath. This will help provent the hyperventilation that causes the feeling of passing out. While you are breathing this way, try to relax and get control over yourself and you can be thinking of the possible reasons for the sounds. Once the breathing is under control, then you can go investigate.
If you are truly frightened of someone breaking into your home, a home security system would be money well spent, in my estimation. You definitely don't want to live in fear. I do know you are high strung so you need to work on relaxing a little more. It will make your life far easier! I know because I was just like you about 20 years ago. Feel better!
All of our senses are on high alert. It's one of the thrills of fibro, and anxiety. Workers came today and cut down a dead tree in our yard that was about to fall over on our neighbors property. That was more than and hour and a half ago and I can still smell the gas from their chain saw...inside a closed house. The only time the door was open was to hand them the check. Hubby can't smell it! I sat next to a woman at the casino last week and I had such a visceral reaction to her perfume I had to give up my lucky machine! Yes..I wear earplugs at the casino...and the movies and when the hubby plays music in the car....or anywhere where there is noise. I have three pairs of them in my wallet. Funny...since I'm almost completely deaf!
I would like to know why restaurants find it necessary to blare music through sound systems so that you can't even talk to each other? Ruby Tuesdays and TGIF are the worst. I have asked them to turn it down. They act like I'm nuts...Uh...fibromite here!