The “best” side to sleep on depends on your health, comfort, and any conditions you may have. For many people, side sleeping is a good choice, and there are some differences between the left and right sides.
Sleeping on your left side
Often recommended for:
- Acid reflux/heartburn: Left-side sleeping may reduce stomach acid moving back into the esophagus for many people.
- Pregnancy: Left-side sleeping is commonly advised because it may support circulation and reduce pressure on major blood vessels (follow your healthcare provider’s advice).
Sleeping on your right side
Can be perfectly healthy for most people and may:
- Feel more comfortable for some sleepers.
- Reduce pressure on certain joints depending on your body and mattress.
- Be preferred by people who naturally sleep better this way.
Sleeping on your side (either side) may help:
- Reduce snoring for some people.
- Keep the airway more open compared with lying flat on your back.
Tips for healthier side sleeping
- Use a pillow that keeps your neck aligned with your spine.
- Put a pillow between your knees to support your hips and lower back.
- Change positions if you wake up with shoulder, hip, or neck pain.
If you have frequent heartburn, loud snoring, sleep apnea symptoms, heart problems, or pregnancy-related concerns, the best position may be different. For most healthy adults, the “best” side is the one that lets you sleep comfortably an
