https://www.facebook.com/itsgoneviralofficial/videos/ [login to see] 69074/ In BCT they said "Lights out!" If that didn't work, then the NCO stuck with sleeping in the barracks would step out of his room and shout "Shut the fuck up!"
Ah the good old days, I do something similar with my Civil Air Patrol cadets less the profanity, I find an angry glare and talking about dismemberment if I don't get my beauty sleep works well :)