Why Does My Shoulder Hurt When I Sleep?

Waking up with an aching shoulder, or being woken by it, is one of the most frustrating kinds of pain. It interrupts your sleep, and poor sleep makes pain harder to manage the next day. Night-time shoulder pain is rarely random. It’s usually your shoulder telling you that an existing problem is being aggravated by the way you lie. This fact sheet explains the most common causes of shoulder pain at night and how chiropractic care may offer a gentle, non-invasive path to better sleep.

In this article, Dr. Simon Nash (Chiropractor) discusses why your shoulder might hurt when you sleep, the conditions most often behind it, and the conservative techniques a chiropractor might use to help.

Medical Disclaimer: The information provided in this article is for general knowledge and informational purposes only and does not constitute medical advice. It is essential to consult with a qualified healthcare professional for a diagnosis and personalised treatment plan.

Table of Contents

1. Understanding Shoulder Pain at Night
2. Common Causes of Shoulder Pain When Sleeping
3. How Chiropractors Diagnose Night-Time Shoulder Pain
4. The Chiropractic Approach to Shoulder Pain When Sleeping
5. Frequently Asked Questions (FAQs)
6. Book a Consult with Our Chiro Brisbane
7. References
8. Video Transcript

Understanding Shoulder Pain at Night

When you’re awake, you shift position constantly without noticing. At night, you can stay in one position for long periods, often with your body weight pressing through one shoulder or your neck held at an awkward angle. If a structure in or around the shoulder is already irritated, that sustained pressure can be enough to trigger pain.

Research supports this link. In a study of 83 chiropractic patients with pain in one shoulder, 67% of those who slept on one side slept on the painful side (Kempf & Kongsted, 2012). Lab testing has also shown that pressure beneath the acromion, the bony roof of the shoulder, changes considerably depending on sleep position (Werner et al., 2010).

Common Causes of Shoulder Pain When Sleeping

Shoulder Bursitis
“If you’re a side sleeper and you have a condition such as bursitis, that will cause pain because you already have an inflammation of the bursa that sits on the top of the shoulder,” Dr. Nash explains. “And when you’re laying on the side or compressing it, that will obviously create further inflammation.”

The subacromial bursa is a small fluid-filled sac that helps the rotator cuff tendons glide smoothly. When it’s inflamed, lying on it compresses already-sensitive tissue.

Shoulder Impingement Syndrome
Impingement occurs when the rotator cuff tendons or bursa are pinched in the space beneath the acromion. Certain sleeping positions, such as lying on the affected side or sleeping with your arm overhead, can narrow this space further.

Neck (Cervical Spine) Problems
Not all shoulder pain starts in the shoulder. “You could have a cervical spine problem, where you might have a disc bulge, you might have a facet problem, that obviously when you’re laying on the pillow or the neck is in certain positions, that will radiate pain into the shoulder,” says Dr. Nash.

This is why pillow height and neck position matter. A pillow that’s too high or too flat can hold the neck in a position that irritates these structures overnight.

Frozen Shoulder
Frozen shoulder (adhesive capsulitis) causes the joint capsule to become thickened and stiff. Night pain is one of its hallmark features, particularly in the early “freezing” stage.

Rotator Cuff Problems
“You could have frozen shoulder or rotator cuff problems, which might be a tendinopathy, and that obviously creates inflammation when that’s compressed as well,” Dr. Nash notes. Rotator cuff tendinopathy is one of the most common reasons for shoulder pain that’s worse lying down.

How Chiropractors Diagnose Night-Time Shoulder Pain

“It’s important to work out why you have shoulder pain when you sleep,” says Dr. Nash.

Because bursitis, impingement, rotator cuff problems, frozen shoulder and neck problems can all feel similar at night, an accurate diagnosis starts with a thorough history, including how you sleep, what positions hurt, and whether you have neck symptoms. This is followed by a hands-on examination: range of motion testing, orthopaedic tests for the rotator cuff and impingement, and a cervical spine assessment to rule out referred pain. Imaging such as ultrasound may be recommended when the findings suggest structural damage or symptoms aren’t improving as expected.

The Chiropractic Approach to Shoulder Pain When Sleeping

“Once we’ve determined why you have that shoulder pain, we will work out different treatments to treat that, depending on where that shoulder pain is coming from,” Dr. Nash explains.

Depending on your presentation, care at Our Chiro Brisbane may include:

Active Release Techniques: Releasing tension and adhesions in the muscles around the shoulder and neck.

Mobilisations: Gentle, graded movement of the shoulder joint to restore range of motion, particularly helpful for stiffness and frozen shoulder.

Adjustments: Restoring normal movement through the neck, upper back and shoulder, especially where the cervical spine is contributing.

Dry Needling: Targeting tight, irritated muscle tissue to reduce pain.

Kinesio Taping: Supporting the shoulder and encouraging better positioning while tissues recover.

Cold Laser Therapy (LLLT): A gentle, non-invasive option to help calm inflammation.

Shockwave Therapy: A well-researched option for stubborn tendon problems. A systematic review found that high-energy shockwave therapy can reduce pain and improve function in chronic calcific tendinitis of the shoulder (Bannuru et al., 2014).

Frequently Asked Questions (FAQs)

Q1: What is the best sleeping position for shoulder pain?
A: For most people, sleeping on your back or on the pain-free side is best. If you sleep on your side, hugging a pillow can stop the top arm from falling forward and straining the shoulder.

Q2: Why is my shoulder pain worse at night than during the day?
A: At night, you stay in one position for longer, often compressing the shoulder or holding the neck at an angle. There are also fewer distractions, so you notice pain more.

Q3: Can my pillow cause shoulder pain?
A: Yes. A pillow at the wrong height can hold your neck in a position that irritates the cervical spine and refers pain into the shoulder.

Q4: Can shoulder pain at night come from my neck?
A: Yes. Disc bulges and facet joint problems in the neck can refer pain into the shoulder, which is why a proper assessment checks both areas.

Q5: When should I get my shoulder checked?
A: If shoulder pain is regularly waking you up, has lasted more than a couple of weeks, or is limiting your movement, it’s worth getting assessed.

Q6: Will changing my sleeping position fix my shoulder pain?
A: It can reduce aggravation, but it usually won’t resolve the underlying cause. Identifying and treating what’s irritating the shoulder is the key to lasting relief.

Book a Consult with Our Chiro Brisbane

Shoulder pain that keeps you up at night affects more than your shoulder. It affects your energy, your mood and how you get through the day. It’s normal to feel worn down when you can’t get a good night’s sleep.

At Our Chiro Brisbane, our experienced team will work out exactly where your shoulder pain is coming from and tailor a conservative care plan to suit your body and lifestyle.

If shoulder pain is disrupting your sleep, take the first step towards relief. You can explore our Chiropractic Services or learn more about our non-invasive care options on our Services Page.

Ready to get checked? Book an appointment with Our Chiro Brisbane today or call (07) 3257 0399.

References

Bannuru, R. R., Flavin, N. E., Vaysbrot, E., Harvey, W., & McAlindon, T. (2014). High-energy extracorporeal shock-wave therapy for treating chronic calcific tendinitis of the shoulder: A systematic review. Annals of Internal Medicine, 160(8), 542–549. https://doi.org/10.7326/M13-1982

Kempf, B., & Kongsted, A. (2012). Association between the side of unilateral shoulder pain and preferred sleeping position: A cross-sectional study of 83 Danish patients. Journal of Manipulative and Physiological Therapeutics, 35(5), 407–412. https://doi.org/10.1016/j.jmpt.2012.04.015

Werner, C. M., Ossendorf, C., Meyer, D. C., Blumenthal, S., & Gerber, C. (2010). Subacromial pressures vary with simulated sleep positions. Journal of Shoulder and Elbow Surgery, 19(7), 989–993. https://www.jshoulderelbow.org/article/S1058-2746(10)00184-9/abstract

Video Transcript

A question that I often get asked in the clinic is, why does my shoulder hurt when I sleep? So there can be a few different reasons why your shoulder would hurt if you sleep. So for example, if you’re a side sleeper and you have a condition such as bursitis, that will cause pain because you already have an inflammation of the bursa that sits on the top of the shoulder. And when you’re laying on the side or compressing it, that will obviously create further inflammation. You can have impingement syndrome, so you could have a cervical problem, a cervical spine problem, where you might have a disc bulge, you might have a facet problem, that obviously when you’re laying on the pillow or the neck is in certain positions, that will radiate pain into the shoulder. You could have frozen shoulder or rotator cuff problems, which might be a tendinopathy, and that obviously creates inflammation when that’s compressed as well. So it’s important to work out why you have shoulder pain when you sleep. And then once we’ve determined why you have that shoulder pain, we will work out different treatments to treat that, depending on where that shoulder pain is coming from. And that might be some active release techniques, some mobilisations, some adjustments, some dry needling, Kinesio taping, some cold laser therapy, or even shockwave therapy. And that’s usually how we fix shoulder pain when we sleep.