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Patient Questions  /  Shoulder pain at night

Shoulder, Elbow & Hand

Why Does My Shoulder Hurt at Night When I Lie on It?

Lying on a sore shoulder presses on irritated tendons, and at night there are fewer distractions from pain. It's very common with rotator cuff problems and frozen shoulder, and it usually improves as the shoulder is treated.

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Why shoulder pain is often worse at night

When you lie on your side, your body weight squeezes the tendons and the fluid-filled bursa at the top of the shoulder. Lying on the other side can also hurt, because the sore arm drops forward across your body. Staying still for hours can make an irritated shoulder stiff and achy, too.

Night pain is one of the most common signs of rotator cuff irritation and frozen shoulder.

Sleep tips that help

  • Sleep on your back with a pillow under the sore arm, or on the other side hugging a pillow so the arm is supported.
  • Avoid sleeping with your arm overhead.
  • Some people are more comfortable sleeping partly propped up for a while.
  • Gentle movement before bed can ease stiffness.

When to see a doctor

See a doctor promptly if you have:

  • Shoulder or arm pain with chest pressure, shortness of breath or sweating: call 911
  • Constant pain that doesn't change with position, especially with unexplained weight loss or a history of cancer
  • Fever with a hot, swollen shoulder
  • Sudden weakness after a fall, where you can't lift your arm

How physical therapy at ARI can help

A physical therapist finds the cause, gives you positions that let you sleep, and uses hands-on care and a progressive exercise plan to settle the shoulder, which is what makes the night pain go away.

At ARI Physical Therapy in Bakersfield, every visit is one-on-one and in person with a licensed physical therapist, and our clinic director, Deepa Konnur, PT, MPT, OCS, is a board-certified Orthopedic Certified Specialist. We accept most private insurance plans and Medicare, and we have staff who speak Spanish and Hindi.

Read our full guide: Frozen shoulder and rotator cuff pain →

No referral needed to start. In California, you can see a physical therapist directly for up to 12 visits or 45 days, whichever comes first. Some insurance plans still require a referral for coverage; call us at (661) 282-8584 and we'll help you check.

Related questions

Ready to feel better?

Talk to a licensed physical therapist at ARI, one-on-one. Request an evaluation and we'll get back to you, usually within one business day.

Request an EvaluationCall (661) 282-8584

This page is general information, not a diagnosis. If you have symptoms, a licensed clinician should evaluate you.

Clinically reviewed by Deepa Konnur, PT, MPT, OCS, board-certified Orthopedic Certified Specialist · Reviewed September 2026