Why Does My Shoulder Hurt When I Sleep on My Side

Published On: 23 Dec 2025| Read By: 60 Users

If you’ve ever wondered, Why does my shoulder hurt when I sleep on my side? This is a common concern for many side sleepers. When you lie on your side, your shoulder supports a significant portion of your body weight, which can lead to pain, numbness, or soreness if your mattress doesn’t provide adequate support and cushioning. One key reason why your shoulder might hurt when you sleep on your side is pressure buildup. A mattress that is too firm can push against your shoulder joint, while one that’s too soft may let your body sink in excessively, misaligning your spine and shoulders. Both scenarios can lead to discomfort or even worsen chronic pain conditions. Here are a few potential causes to...

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