My stomach is upset. 
I rarely get that, even when I was overeating, I rarely got that.
2tbsp of lemon juice is a nice digestive aid
try at least 1 tsp of cayenne or ginger powder
Laying on your right side might help.
Stress is a trigger for upset stomach. Learn relaxation exercises, like visual imagery, I learned to controll my body temperature. It looks like I did.