Heart burn

Just wondering does anyone else suffer really bad heart burn to the point that they vomit? Mine is terrible worse at night no matter if I eat or not it makes me vomit and my throat burns like mad the heart burn is super painful nothing I do eases this at all I had sickness up to 20 weeks then stopped im now 29 weeks and for past 2 weeks my heart burn has been so bad and the last week it causes vomiting aswell always seems to be at its worst around 2am?? The vomit (tmi) is actually like raw acid and burns my throat and vocal cords does any one know how to ease this please help!!