If i stay up late or wake up early then my digestion system gets disturb i feels like food coming and committing and throat closing. plz help ?

Google GERD: This sounds like GERD. This occurs when the contents of your stomach leak back into your esophagus. It may only leak into the lower esophagus or come right up into your mouth. Either way it burns and irritates your throat. I bet you are taking in some caffeine which always makes this worse. Take some antacids, avoid late or large meals before going to bed. Stop caffeine. There are other treatments