Every morning i wake up feeling like i'm hungover. i have headache, fatigue, nausea and vomiting. why?

Migraine?: Migraine is a complex neurologic disorder. Headache, vertigo, visual disturbances nausea, sensitivity to light or sound, and paresthesias may be present during the episodes. You also may experience excessive lacrimation, nasal congestion, sweating, flushing and cutaneous vasomotor effects. Rec.: see your pcp for evaluation and diagnosis.