That can be taken many different ways maybe: they push themselves to hard and don’t know when to take a break or they cant settle down, sleep or, don’t know when to stop.
Heartburn is actually a symptom of GERD
So I would say that some of our common foods that we eat stimulate increased stomach acid secretion which is setting the stage for heartburn.
Hope this helped some~
A) Writing everything down in your fitness log
