hi im 14 and im 5 1 and weigh 130 i been really tired lately and haven headaches and everytime i get up from laying down i get so dizzy and i never have the appetite to eat anymore and i never get enough sleep my headaches are always in certain parts of my head like sometimes it hurts in the back then sumtimes in the front or side i suffer from really bad migranes but i dont know if that could be the reason why what can be wrong with me?