What Risks Do You Run When You Sleep on Your Right Side?

shoulder and arm. This compresses nerves and blood vessels, potentially causing numbness, tingling, or “pins and needles” (paresthesia). Over time, it can contribute to shoulder pain or rotator cuff issues.

The mechanics: The weight of your body also restricts blood flow to your dependent (lower) arm. The nerves that run through your shoulder (brachial continue reading …