Suffering GERD. Problem? what can i do.

Hi i m 32 yrs old female.. in past before 4 yrs i diagnosed wt GERD .. that time my doctor prescribed me razo20 and sparacide ds After few months my all symptones gone and ill normal.. some time i feel acidity so i take rozo 2 or 3 days continew and my symptoms settle.. now from 1 week i suffering same proble but wt vomiting. Actuly when ever i eat late at night i feel something stuck in my chest and i vomit.. this is happen daily wy me now... why vomiting is happen it is any serious problem? But at day i m not vomit food it digest but at night its not.. what can i do.. and suffering frm heavy acidity and reflex someting stuck in my chest is very bad feeling plz guide me for that.. actuly i put lot of wt now a days and my sleep is also poor.. mt height is 4.11 and wt is 69 kg