If you have significant right shoulder pain
Avoid putting prolonged pressure directly on the painful shoulder.
If you're pregnant
Side sleeping is generally encouraged later in pregnancy, with comfort and individualized medical advice guiding the specific position.
If you have sleep apnea
Side sleeping may be preferable to back sleeping for some people, but persistent symptoms still require evaluation.
If you have severe hip pain
You may need to reduce pressure on the affected side.
The important point is that these are individual considerations, not universal rules.
How to Make Right-Side Sleeping More Comfortable
If the right side is naturally your favorite position, you don't necessarily need to change it.
Instead, optimize it.
Choose the right pillow
Your head and neck should be reasonably aligned with your spine.
Add a pillow between your knees
This can help stabilize your pelvis.
Consider a body pillow
This can support your upper body and legs.
Check your mattress
If your shoulder and hip feel compressed every morning, your mattress may be too firm or lacking sufficient pressure relief.
Alternate sides when comfortable
You don't have to remain exclusively on the right.
Changing positions can distribute pressure.
Avoid sleeping immediately after a large meal
This is especially useful if you experience reflux.
What If You Have Nighttime Heartburn?
If you're a right-side sleeper and frequently experience heartburn, try a simple experiment.
For several nights, start on your left side.