Congratulations for pregnancy. Dear due to hormonal changes acidity ,heartburn happens in pregnancy . Sane happens to me I was not able to sleep properly then my Dr advised me antacid syrup ND advised to avoid oily spicy junk food. Take plenty of liquids as 8 to 10 glass water ,3 to 4 ltr liquids daily,buttermilk,coconut water ,laminate ND fresh fruits juices too .I try and get relief u can try it dear..take care happy pregnancy .