Did your parents ever tell you that it is bad to eat before bed, that the food will just sit there all night and make you fat? Of course! But digestion continues on whether you are awake or asleep. And there is a reason that a bedtime or midnight snack is a thing. Our bodies are still busy during sleep and need some fuel to get the most out of that time. We aren’t promoting bad etiquette but the researchers say so.
Now, even though digestion will occur no matter what way you sleep, you can help your body do the work with as little effort as possible by sleeping on your left side.
The reason is, that our stomach sits to the left side of the abdomen, and when you lie on your left side, it allows food to pass into the large intestine more easily. It also keeps the stomach from lying on top of the pancreas, which supports the free flow of digestive enzymes.