my current favorite example of useless noise is UPS - battery backup. If the power goes out, i don't really need the UPS beeping to tell me so. The beeping is

my current favorite example of useless noise is UPS - battery backup. If the power goes out, i don't really need the UPS beeping to tell me so. The beeping is so maddening. Power goes out at night, i don't care! don't wake me up! Power goes off during the day? I'm fairly confident all of the lights and computer monitors and fans shutting off will clue me in.