What Causes Nausea After Waking Up?

Feel nauseated after a nap, I am in late 60 s, history of migraines, take statin, Paxil 40 mg, verapamil, vagifem, been checked for female issue, no kids because could not, female reconstructive surgery, did not help me to conceive, gastrointestinal issues, in 2010, UCSD said stomach ok, had test, but still take every morning like a omeprozoli to help me, still sometimes need my migraine meds, take Imitrex, probably more than I should, but cannot help it. I am pretty much vegetarian, NO MEAT, but still eat diary , cheese and yogurt. PLEASE HELP with the nausea, I am currently with Scripps, San Diego.