I have ADHD too, and I do notice small things like that, too. Most people I've talked to that are not autistic, though, cannot even hear any background noise wh

I have ADHD too, and I do notice small things like that, too. Most people I've talked to that are not autistic, though, cannot even hear any background noise when it's quiet, even if they try. It's as if their brain completely filters it out. But my brain's filters are defective, so.