Can sleeping position affect rotator cuff pain?

Can Your Sleeping Position Worsen Rotator Cuff Pain?

Many people with rotator cuff pain notice that their discomfort feels worse in the morning — and your sleeping position could be the culprit. The rotator cuff is a group of tendons and muscles that stabilize the shoulder, and when these tendons become inflamed, a condition known as tendinitis, even simple movements can trigger pain. According to medical insights from May 2023, lying directly on the affected shoulder during sleep can increase pressure on the inflamed tendons, aggravating symptoms and delaying healing.

When you sleep on the painful side, you’re essentially compressing already irritated tissue. This pressure can restrict blood flow and lead to increased stiffness and soreness upon waking. It’s one reason why some individuals wake up with a “frozen” or achy shoulder, especially if they remained in the same position for hours.

Switching to a different sleeping posture may offer relief. Experts often recommend sleeping on the unaffected side or on your back, using a pillow to support the arm and reduce strain on the shoulder. Placing a pillow between the arms or under the upper arm can help maintain a neutral position and minimize irritation.

Of course, changing how you sleep isn’t a cure-all. If pain persists, it’s important to consult a healthcare provider for proper diagnosis and treatment, which might include physical therapy, anti-inflammatory medication, or other interventions. But adjusting your sleeping position is a simple, low-risk step that could make a noticeable difference in how your shoulder feels each morning.