Whenever i woke up early in morning near 7 am i dont like to eat anything or drink water my taste is like that i am going to vomit..what should i do??

Ado you: Brush and floss your teeth twice a day and especially before you go to bed?? When was the last time you went to the dentist?? If you are doing the above try a mouthwash like listerene . If that does not work then visit the dentist. It could be a stomach issue but at your age moe likely a dental issue.

Early morning nausea: Just delay eating or drinking in the morning. Could be many reasons for this... If it continues see a good doctor. Any headaches early in the morning????