But, realistically, how much sleep do you need to get? That is a question only you can honestly answer. You NEED to think about this because you are the one who is going to class, work, parties, and adjusting to a new living situation.
It is important that you remember it is YOUR transition. And because of that you need to go into it with your eyes open.
Yes, the photo is from a high school because that is where your learning style became honed. How did that go?