Wow, you are all crazy! I think as you get older you value your sleep more. I go to bed pretty early, before 12a.m for sure. As for when I wake up...depends on what I'm doing the next day or if I'm working in the morning.
I'm the kind of person who requires at least 9hours of sleep to function. And that's with two cups of coffee the next day! haha
It depends. When I couldn't take my netbook to bed, even with my mom complaining on the school days I could go on 1 AM. Now I normally go on 3 am or so. Sometimes 6 am.
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