i dont know if i have something serious or not. but it happenns constantly and its disturbing my sleep and my eating habits have drastically changed! i cant seem to eat anything that has sugar in it or i will break out in a horrible sweat! while my head is burning up and my outer waste areas. i will be wiping away the sweat from my for head and it becomes extremely freezing cold! then i hold my forehead to warm it up! i am worried does anyone else have this symptom and what is it?help