Well, this is a sugar free drink. The advantage is that you can drink a good drink and you won't take any sugar.l More normal phenomenon more than half an hour, is generally considered to be difficult to fall asleep. And upper respiratory tract infection causes headache and stomachache.
There may be a cold situation, which may aggravate. I don't know. What kind of examination have you done now? You can upload the examination results later. You have a severe headache. You should also improve the examination of the head test. Children, children in bed rest at home pay attention to keep warm, eat some hot food, do not catch cold. Any other symptoms?