Heartburn during nightime common?

Mommies , do u often get heartburn frequently during nightime time I'm at week 32 ..I could only rub some oils after that gas come out ... Sit up straight rubbing my from passage airway in-between chest then tummy .. need about half - 1 hour before it cools down then I'm able to lie down .. I do watch my eat also ... currently after 6 pm not much of heavy meals .