I think whether I get enough sleep or not can be debated upon. If I were speaking to my peers and told them the amount of sleep I get nightly, their mouths would drop. I cannot stay up until late. Late as in past midnight on a school night. I wouldn't be able to function at all if I stayed up later (I get up at around six).
My usual is seven hours. I used to shoot for eight last year, but this year I'm often up doing homework or doing my hair, writing in my journal, or just watching television. I pay for it in the morning though. I'm exhausted all the time and hatehateHATE! being woken up. Argggg. Weekend isn't much better. I had so many extra-cirricular activities and I'd have to be up at 7:00 on Saturdays and Sundays a lot. It's a bit better now, but I'm still woken up from time to time for various reasons. Weekends are about eight-ten hours of sleep. I go to bed anywhere from eleven to two. :3