I HATE STUDIES ,I CAN'T STUDY ANY MORE?

Hi, I am a teenaged girl, I am suffering from depression, I don’t feel like going to college, I am insomniac and I sleep at 3 at night, and I wake very late in the morning, and thus I always go late to college, my lecturer , he will not allow me to get inside even if I am 5 min late, he scolds me, comment me before all the cl and every body starts laughing, he says ‘ BEING A GIRL YOU COME LATE AND STAND OUT SIDE , DON’T YOU FEEL SHY ?’ But what to do I can’t wake early in the morning, I am taking Thyroid tablets , I don’t know time management, no matter how much I try I always go late to college, at first I used to be a topper in the school but now I am getting fail marks in almost all the subjects, and my other lecturers scold me because I don’t attend the college properly and I don’t study well, but I am not able to concentrate on any thing, I lost all the interest in studies , I want to quit studies, I love blogging and I want to be a blogger but no body is listening to me, every one says I have to study but I hate studying now, I always want to sit in my room, I don’t like going out with friends, family members, I feel inferior about my self, every day is a hell , every day my parents, lectures , scold me for no reason, every day I have to go through embarring situations , like slipping while walking, etc etc no matter what it is every day I have to go through embarring situations, I hate to live, I am feeling so lonely, no body understands me, every body hates me, even today I did n’t went to college because I woke very late in the morning, my parents are very busy as they are employees they never get time to take care about me, the other thing is due to thyroid I am putting on lot of weight , already I am ugly now I am fat also, I just hate this life, I just want to live alone away from this world , but what to do pls help me, pls don’t say to continue my studies or change college because that’s not possible now.