Uh, I dont work or go to school, So I get to go to bed when I please, sometimes during the day, after noon. now i'm finally getting an average person sleep and going to bed late night, waking up in the morning
used to go to sleep at 9:30, but my summer messed up my sleep schedules. i went to sleep at 2AM everyday, so three quarters into the school year i now go to bed at 11. (i have to wake up at 6 so i barely get any sleep)
During school time: 11pm - midnight. School really wears me out, so I fall asleep relatively early.
As for holidays, it can vary from any time between 1am and 5am.