I've been having reoccurring stomach pains with mild nausea. Feels like cramps x10, then disappears. Woke up with painful, numb feeling in my legs.?

Different symptoms. Painful numb legs can occur after sleeping in unusual posture, or after hyperventilation. Stomach pains with nausea have many possible causes - Gastritis is common, and likely if pain is significantly relieved by antacids or OTC acid relievers such as omeprazole. If this continues please see your doctor to get an evaluation.