This can happen occasionally, even for normal people, but if you happen to have a late meal or a snack just before bedtime, there will be even more stomach juices lingering in
your stomach to come up into the throat
. If you happened to drink a nightcap, the situation is even worse since alcohol is a strong muscle relaxant.
What comes up into your throat is not only acid, but also bile, digestive enzymes, and even bacteria. Washings of lung, sinus and ear contents have shown H.