Hi, Abdominal bloating and nausea are common symptoms that can have many different causes. In your case, it is possible that the combination of late-night eating and the type of food you ate contributed to your symptoms. One possible explanation for your symptoms is gastroesophageal reflux disease (GERD). It is when the stomach acid fluids regurgitate into the esophagus. This leads to irritation and inflammation. This can cause symptoms such as bloating, nausea, and discomfort in the upper abdomen. Another possible cause of bloating and nausea is irritable bowel syndrome (IBS). This is a chronic condition that can cause abdominal pain, bloating, diarrhea, or constipation. In some cases, food intolerances or allergies can cause bloating and other digestive symptoms. For example, lactose intolerance can cause bloating and gas after consuming dairy products. To determine the exact cause of your symptoms, it is recommended that you speak with your healthcare provider. They may recommend diagnostic tests or refer you to a gastroenterologist for further evaluation. In the meantime, you can try to manage your symptoms by avoiding late-night meals, eating smaller meals throughout the day, avoiding foods that trigger symptoms, and staying hydrated. Over-the-counter medications such as antacids or anti-nausea medications may also provide some relief. If you require a personalized response, kindly use the Ask A Doctor service and post a follow-up. Take care. Hope I have answered your question. Regards, Dr. Priyanka, General & Family Physician