Nightly Indegestion tips?

Meghan • Mommy of an Angel Baby👼🏻 Rozlyn Grey born July 7th 2018! Wrenlee Kaye due Feb 1st, 2020!
I am over the morning sickness, and having horrible nightly indesgtion? Any tips? Tums don't seem to help.... I just went into my second trimester, and it's my first pregnancy so I need suggestions!