If you're not worrying you either don't care or you're fooling yourself. If it takes 30 min to fix a potential problem in production, I'd rather upset 10 people

If you're not worrying you either don't care or you're fooling yourself. If it takes 30 min to fix a potential problem in production, I'd rather upset 10 people in the middle of the night than 1000 people during working hours.