Alyssa of Yes, That Too (a blog which gets mentioned fairly often around here, because it's awesome) has republished a piece on managing sensory sensitivity. It's full of good ideas, and even if the particular sensitivities and management techniques don't directly relate to you or yours it's a great inspiration to get thinking about how to sort out your own specific needs. You'll find it here.
In closing, here's James May. I'm still loving Headsqueeze, even though I don't entirely understand what it is: