hello der at 26 years its most unlikely for you to be suffering from heart diseases as the reports are normal... chest pain due to musculoskeletal or trauma severe gastritis gastro esophageal reflux disease may be the cause avoid spicy foods smoking and alcohol drink plenty of water have more of green leafy veg and fruits have ur food on time in the night have food atleast 2 to 3 hrs before you sleep...if symptoms persist contact physician.