Gas is a normal process in our body but when we eat excessive food at night, the bacteria in the digestive tract can produce a large amount of mouth, so avoid overeating at night. When we eat high fiber foods, the bacteria in the body exceed the time required for digestion of the food.
End of gas trouble:
Eat less food every night.
It is advisable to take a half hour walk after dinner.
For example, it is better to drink warm water before going to sleep after dinner.