Why do teenagers hate waking up so early in the morning?

i'm a teenager too, i slept at 9pm -6am for school, but still i feel so sleepy. and why do others sleep at midnight or so, and always complain about early morning, when they have a lot of time to do homework, and chores, and get some sleep. this is for my project for persuasive paper about this controversy. i want a lot of opinions to anyone. pls help.Why do teenagers hate waking up so early in the morning?
I don't believe its getting up early. I think its knowing what your waking up for. I mean, if you were waking up early to go to a party you'd be up out of bed, but for school, you'd rather sleep.Why do teenagers hate waking up so early in the morning?
the instinctual pattern of sleep for a human is around 3AM to 11AM





It takes a very long time to adapt to the 11PM-6AM sleep schedule that people must follow
Here's a good article.
I have heard that the internal clock of an adolescent does not Fully wake up until 11 Am..