We had camped near a group of people who appeared to be in their twenties, dressed totally in black, and had hennaed hair. On Thursday night/Friday morning at 2:00 or 3:00 am, one of them screamed,

Shut the fuck up! Can't you assholes see I'm trying to sleep?

His friends laughed, so he repeated it a few times.

And so it goes at Burning Man. Don't forget to bring your earplugs.