why are people so inconsiderate

so I went to bed last night early, 9:45. I was so tired....soooooooooo tired. I wanted to get up rested this morning because I have to go to the DMV this morning and I hate being tired waiting in line. However in the 8.5 hour between when I went to bed and when my alarm went off, I got less than four hours sleep. The idots down the street, played lound music until four AM. And when someone final called the cops (why did I think of that) they had a yelling match with them. I mean for god sake it is a work night and not everyone can sleep through loud thumping music, especially if they have a replica of Sting on there wall, which was acctually shaking.
I would have thought that common sence would prevail here. Work night, please keep it down. People don't like to go to work tired.