Live Well
You may not give much thought to your sleeping position — but science says you should. The direction you turn each night can quietly shape your digestion, heart health, brain function, immune system, and more. This deep-dive medical research review examines what the latest studies reveal about sleeping on your left side versus your right side — and which is safer for your health. Side sleeping is the most popular sleep position worldwide — but which side matters more than you think. 🍋 1. Digestive Health & Acid Reflux (GERD) STRONG EVIDENCE This is one of the most well-researched areas of sleep positioning. A 2022 study found that sleeping on the left side was associated with significantly shorter acid exposure and faster esophageal clearance compared to the right side. The reason is anatomical: your stomach sits naturally on the left side of your body. Left-side sleeping allows ...