Hello, Thanks for your query. Sleeping after meals doubles gas and acidity that increases burning and sour sensation. Drink hot water after meals for easy digestion, it is also good for weight reduction. Include ginger, mint leaves and garlic in your daily food. These are good for easy gas and acidity. Reduce daily intake of coffee and tea. Drink enough water every day to keep you healthy. Avoid eating sweets after the meals and stop drinking water after eating sweets. Include fruits in your morning meal. Fibers and natural supplements help to retain energy and overcome acidity related problems of the stomach. Avoid factors that make stress. Do not forget that stress is a reason for many diseases and controlling stress is enough for curing many diseases. Avoid spicy foods, vinegar, black tea, chocolate etc. these are a reason for gas and acidity. Drinking coconut water daily is good for gas and acidity I do hope that you have found something helpful and I will be glad to answer any further query. Take care