Keep this in mind, osa is the target, what causes osa?

sleep apnea is linked to High blood pressure, obesity, aging, alcohol, sedatives, smoking.

Well, if you're the faa and you want to stop all these osa related accidents, you're going to have to test everyone unless you can find a pilot who has low blook pressure, skinny, doesn't drink, doesn't smoke, no sedatives and isn't getting older.