Why shoulder pain so often gets worse at night, what it usually means, practical ways to sleep tonight, and the signs it is time to see a specialist.
If you are reading this in the small hours because your shoulder will not let you sleep, you are in well-charted territory. Night pain is one of the most common reasons people finally come to see a shoulder specialist, usually after months of managing during the day and dreading the night.
There are two pieces of genuinely good news. First, night pain almost always has an identifiable cause, and the two most likely culprits are both very treatable. Second, there are things you can do about tonight, before you get anywhere near a clinic. This guide covers both, and finishes with the signs that mean it is time to stop putting up with it.
It seems unfair that a shoulder which mostly behaves during the day should wake you at 2am. There are a few reasons it happens:
Night pain is a genuine clinical sign, not a quirk. When a patient tells us they cannot lie on one side, or that they wake every time they roll over, that pattern helps point to the diagnosis.
Frozen shoulder. In our clinic, this is the most common cause of severe night pain. Frozen shoulder (adhesive capsulitis) is inflammation and tightening of the capsule that wraps the joint. It typically starts as a deep, constant ache that is at its worst at night, followed over weeks and months by progressive stiffness. It most often affects women between forty and sixty (also still common in men of that age). It is also regularly mistaken for other shoulder problems. If you are not sure which side of this line you fall on, our most-read guide covers exactly that: frozen shoulder vs rotator cuff: how to tell them apart.
Rotator cuff problems. Tendon inflammation, impingement and tears are the other big cause of night pain, classically when lying on the affected side. Daytime clues include pain when reaching overhead or behind your back, and weakness lifting the arm. Whether a torn tendon can settle without surgery depends on the tear, which we cover in can a rotator cuff tear heal on its own?
Calcific tendinitis. A build-up of calcium in a cuff tendon. It can grumble for months, then flare suddenly into severe pain, often at night. It can be an unsettling experience, and there are effective treatments for it.
Shoulder arthritis. Wear of the ball-and-socket joint or the small acromioclavicular joint on top of the shoulder. The ache is typically deep, activity-related and increasingly intrusive at night as it progresses.
Referred pain from the neck. Sometimes the shoulder is innocent. A trapped nerve from a damaged disc in the neck can send pain across the shoulder blade and down the arm. Pain that runs below the elbow into the hand, or comes with pins and needles, raises this possibility.
Most night shoulder pain is caused by the conditions above. Rarely, it signals something that should not wait. See a doctor promptly if your night pain comes with any of these:
These are uncommon, but they change the urgency, and they are exactly the things a specialist assessment is designed to rule out.
None of these fix the underlying problem, but they can buy you better nights while you get it sorted:
If you have been doing all of this for weeks and the nights are still bad, that in itself is useful information: it means the problem has declared itself firmly enough to deserve a diagnosis.
The right treatment depends entirely on the cause, which is why a proper diagnosis, usually an examination plus an ultrasound or MRI, comes first. But to give you a sense of the road ahead:
If surgery does enter the picture, most of these procedures are keyhole day cases. Our guide to keyhole vs open shoulder surgery explains the difference in plain terms, and recovery after keyhole shoulder surgery sets out what the weeks afterwards look like.
You do not have to decide anything to be seen. A consultation is an assessment, and for many people it ends with an injection and a physiotherapy plan rather than an operation. You can book an appointment with Mr Baring here.
When I ask patients with a frozen shoulder or a cuff problem what finally brought them in, the answer is rarely the pain itself. It is the sleep. People will adapt around a shoulder all day for months, but nobody adapts to being awake for several hours every night and becoming severely sleep deprived. Many patients have been doing this for six months or more by the time I see them, because they assumed nothing could be done or that it would pass. Night pain is one of the most treatable symptoms in my clinic. I wish more people knew that.
As a rule of thumb: shoulder pain that has disturbed your sleep for more than two or three weeks, and is not clearly improving, deserves an assessment. Come sooner if the pain is severe, if the shoulder is getting stiffer, if the arm is weak, or if any of the warning signs above apply.
An assessment is not a commitment to surgery. A good proportion of night pain we see is treated with an injection and physiotherapy and never sees an operating theatre. What the assessment does is put a name to the problem, rule out the things that should not wait, and start treatment that lets you sleep, which is usually the thing patients want most.
Mr Baring sees patients in London, usually within days. Consultations are covered by all major private medical insurers, including Bupa, AXA Health, Aviva and Vitality, and self-paying patients are welcome.
Book an appointment or call 07561 812 682.
Why does my shoulder only hurt at night? It probably hurts during the day too, but at a level movement and distraction can mask. Lying down removes the gentle traction gravity provides, adds direct pressure if you lie on the shoulder, and gives the ache your undivided attention. Conditions like frozen shoulder and rotator cuff problems are notorious for this pattern.
Is shoulder pain at night a sign of something serious? Usually not. The overwhelming majority is caused by frozen shoulder, rotator cuff problems, calcific tendinitis or arthritis. Seek prompt advice if the pain comes with fever, unexplained weight loss, a history of cancer, follows an injury, or is completely constant regardless of position.
What is the best sleeping position for shoulder pain? On your back slightly propped up, or on the opposite side hugging a pillow that supports the painful arm. Avoid lying directly on the painful shoulder, and avoid letting the affected arm hang across your body or overhead.
Will my shoulder pain at night go away on its own? Some causes settle with time and sensible care. A frozen shoulder does eventually burn out, but left alone that can take years. Cuff tears do not heal back to the bone by themselves, though not all of them need surgery. If nights have been bad for more than a few weeks, an assessment will tell you which situation you are in.
Can a chiropractor or massage fix night shoulder pain? Massage can ease the muscles that guard a painful shoulder, and it may help symptoms temporarily. It cannot resolve a tight joint capsule, a calcium deposit or a torn tendon. If night pain persists, you need a diagnosis before choosing a treatment.
Mr Toby Baring is a consultant orthopaedic surgeon specialising in shoulder and elbow surgery, with a particular interest in arthroscopic rotator cuff repair, shoulder instability surgery and shoulder replacement. Read more about Mr Baring or book an appointment.
