I think it's consistent sound/noise that matters. My Dad worked on a ship and he said when he was trying to sleep the worst sounds were intermittent. He preferred a constant sound no matter what it was.

I think this is it. The change is what does it. Intermittent noise is constant change.

Loud music in the next room never stopped me from sleeping as a kid. I'd wake up when the music turned off, though.

Yeah, in other news many environments are badly engineered, badly outfitted, and their inhabitants are content to let their artificially occupied mind anguish with squealing refrigerators, air conditioners, notifications, sleep issues, illumination issues, blood sugar spikes and trenches, social uncertainty and misplaced conscientiousness, and so on without attributing their focus issues to anything more specific than "something wrong" or, in medical terms, "disordered."

When you're stigmatizing mental health, avoid writing it as a single run-on sentence that's 63 words long. The point loses a bit of its punch.

In what sense are any of those elements of distraction or the claim about vagueness "stigmatizing mental health"?

It's possible my interpretation was wrong. I took it as you saying that lots of people live in distracting environments without saying that they have a specific problem (such as ADHD). It seemed like hinting that those things problems aren't real or it's unnecessary/bad to get a diagnosis.

Are ocean waves to you calming or distracting?