Noise can stress me out. Sensitivity to noise can also be a sign that I am stressed out.
Hypervigilance for me often includes hyper awareness of sounds.
I've learned from experience that finding some form of control, however little, over my sound environment, is very helpful.
There is a nifty little free
audio masking system for Windows PCs that I recently downloaded and very much appreciate. It provides a modified pink noise. Soothing. Might help someone else too.
Enjoy!
Sarah