India, Oct. 30 -- You sometimes wake up with a sour taste in your mouth, and it can make you sulk. You wonder what you ate the day before and go ahead and brush your teeth, but the unpleasant taste and smell linger anyway. If this happens regularly, it may be worth looking at what is happening when you sleep.ALSO READ: Can acid reflux be a heart problem? A cardiologist and gastroenterologist explain how to tell the difference

A specialist weighed in to explain the possible cause behind the sour taste. Dr Saurabh Bansal, general, minimal access, and gastrointestinal surgeon, director and founder of THE CLINICS, attributed it to the night-time acid reflux. He advised paying attention to this, especially if it happens regularly.

Acid reflu...