Is it better to sleep on your right side or your left side?

 The decision on whether it's better to sleep on your right side or left side can depend on various factors, including personal health conditions, comfort, and specific health benefits. Here’s a detailed comparison of sleeping on the right side versus the left side:

Left Side Sleeping


Heart Health:

Blood Flow: Sleeping on the left side may improve blood flow to the heart, which can be beneficial for people with heart conditions.

Reduced Heartburn: Left-side sleeping can help reduce acid reflux and heartburn. This position keeps the junction between the stomach and esophagus above the level of gastric acid.

Digestive Health:

Lymphatic Drainage: The lymphatic system is more effective on the left side, aiding in the removal of waste and toxins from the body.

Improved Digestion: Left-side sleeping can facilitate better digestion and help with the elimination process, as it aligns the stomach and pancreas.


Optimal Blood Flow: Pregnant women are often advised to sleep on their left side to improve circulation to the fetus, kidneys, and uterus and to reduce pressure on the liver.


Heart Pressure: Some individuals might feel uncomfortable with increased pressure on the heart.

Right Side Sleeping


Heart Health:

Comfort: Some people with heart conditions may find the right side more comfortable as it reduces pressure on the heart.

Brain Health:

Glymphatic System: Some studies suggest that the glymphatic system, which helps remove waste from the brain, may function more efficiently when sleeping on the right side.

General Comfort:

Variability: For some individuals, sleeping on the right side may be more comfortable and lead to better sleep quality.


Acid Reflux: Right-side sleeping may increase the likelihood of acid reflux and heartburn.

Overall Recommendations

Personal Comfort: The most important factor is comfort. Choose the side that allows you to sleep soundly and wake up feeling rested.

Specific Health Conditions:

GERD/Acid Reflux: Left-side sleeping is generally recommended.

Heart Conditions: Consult with a healthcare provider, but left-side sleeping is often recommended to reduce pressure on the heart.

Pregnancy: Left-side sleeping is typically recommended to enhance blood flow to the fetus.

Changing Positions: It’s natural to change positions during sleep. Starting on one side may be beneficial, but don’t stress if you move around during the night.

While left-side sleeping has several advantages, especially for heart health, digestion, and pregnancy, the best sleeping position ultimately depends on individual comfort and specific health conditions. If you have particular health concerns, it’s always a good idea to consult with a healthcare provider for personalized advice.