When i wake up early in the morning i get very weak and have nausea or throw up. i get dizzy and start going pale but i'm not pregnant?

Early morning nausea, weakness and dizziness can indicate pregnancy, but it can also indicate a problem with your blood pressure. Some persons with low blood pressure find that this sensation/symptoms occur on sitting up or standing up suddenly. It is important to talk to your Dr for a full check up to rule out heart problems, hypoglycemia and other causes.