How about this for a reason: One of the first big snooze clock manufacturers choose 9 minutes for some random reason and the rest followed thinking: "There must

How about this for a reason: One of the first big snooze clock manufacturers choose 9 minutes for some random reason and the rest followed thinking: "There must be a reason they choose 9 minutes, it sounds specific. Lets have our snooze be 9 minutes too." I was expecting find some some highly researched psychological quirk to be the reason in the post. I guess reality is just more random and coincidental. Reminds me of the way QWERTY came to be the standard (https://en.wikipedia.org/wiki/QWERTY#History_and_purposes https://en.wikipedia.org/wiki/QWERTY#History_and_purposes).