In Sweden they test the air raid alarms every first Monday of the month in case the Russians attack, which apart from being ridiculous is counterproductive because everyone just learned to zone out the air raid sirens. I have been raised since birth to ignore air raid sirens and I’m really good at it by now. Air raid sirens do not make me lose focus on what I am doing, they don’t interrupt coversations since you just move a bit closer and speak a bit louder without thinking, they certainly do not wake me up, etc. If they ever turn them on in a real crisis these might not be good skills to have.