Many people don’t think about how they sleep, but position can affect health. Experts say sleeping on your left side may offer several benefits, especially for digestion and circulation.

One key advantage is reduced acid reflux. Sleeping this way keeps the stomach lower than the esophagus, so acid is less likely to rise. As the article notes, it “makes it harder for stomach acid to travel upward,” helping prevent heartburn.

This position also supports digestion. It helps food move more smoothly through the intestines, which may reduce bloating and improve bowel function. At the same time, organs like the spleen may work more efficiently, improving circulation and immune support.

The liver can benefit too. Since it sits on the right side, lying on the left reduces pressure on it, allowing better processing of toxins during rest.

Left-side sleeping is especially helpful during pregnancy. It improves blood flow and reduces pressure on major vessels, supporting both mother and baby.

However, it’s not ideal for everyone. Some people may feel discomfort in their shoulders or joints. In the end, the best sleep position is one that balances comfort and health, but for many, this simple change can improve overall sleep quality.