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In terms of digestion, one of the most compelling reasons for sleeping on your left side is that it benefits your digestive system. Thanks to the law of gravity, when we lie on our left side, our digestive system is able to function more efficiently. This is due to our body position. Waste from the large intestine can potentially be easily transported to the descending colon when the digestive system is organized this way. As a result, you may find it easier to maintain regular, painless digestion throughout the night, and that lying down after eating is less of a challenge.
A modest improvement in heart health. When it comes to maintaining a healthy heart, sleeping on the left side of the body is an added benefit. This position increases circulation and reduces pressure on the heart, as gravity helps the lymphatic system flow toward the heart and the aortic system away from it. Both of these drainage systems originate from the aortic system. The bedtime routine of anyone concerned about maintaining a healthy heart could benefit from a simple but beneficial adjustment: a shift to the left.
