Stiff Neck After Waking Up: What Heat Can and Can’t Do

You went to bed fine. You woke up and can’t turn your head to one side without a sharp catch. Checking your blind spot while driving means turning your whole body.

This is usually a locked or “cricked” neck, sometimes called acute wry neck. It’s common, it’s painful, and it usually settles within a few days to a week.

What’s going on

One of the small joints at the side of your neck gets irritated, often after hours in an awkward position with your head twisted or propped too high. The muscles around it clamp down to protect it. That protective spasm causes most of the pain and the stiffness. Nothing is broken or out of place. The lower back does the same thing: back spasm at night.

What heat can do

Heat helps the guarding muscles relax. That eases the pain and lets you move a little further each time. Many people find the first warm shower of the morning does more than anything else, which is the moist heat question in a nutshell.

What heat can’t do

It won’t “unlock” the neck in one go. Recovery comes from gentle, frequent movement over the next few days. Heat makes that movement easier. That is the whole point of using heat before your exercises rather than instead of them.

A routine for the next few days

1. Morning: a warm shower, letting the water run on the back of your neck for a few minutes.
2. 3–4 times a day: 15–20 minutes of heat on low, sitting upright, pad over the back of your neck and shoulders. See heating pad for neck pain for placement.
3. Straight after each heat session: slowly turn your head towards the stiff side until you feel resistance, then back. 5–10 times. Then tilt your ear towards your shoulder, each side. Aim for a little more range each day, not all of it today.
4. Keep going with your day. Gentle use helps. Keeping your neck rigid in one position makes it stiffer.

A pharmacist can advise whether an over-the-counter painkiller suits you for the first few days.

What to avoid

• Letting someone “crack” or forcefully twist your neck. Forceful manipulation by someone untrained carries real risks.
• Hard, deep massage on a neck in spasm. It often provokes more guarding. The same caution applies to massage guns.
• Lying with your head propped on a stack of pillows to read or watch your phone.

Stopping it happening again

• Pillow height: your head should sit in line with your spine. Side sleepers need a thicker pillow, back sleepers a thinner one.
• Stomach sleeping twists your neck for hours. Try to train yourself out of it.
• Don’t fall asleep sitting up on the sofa or in the car with your head dropped to one side. And never with the pad still on: is it safe to sleep with a heating pad on?
• Screen height through the day, which is where most recurring neck stiffness starts. See tech neck and upper back pain from desk work.

Go to A&E now if…

• The stiff neck comes with fever, headache, vomiting, dislike of bright light, or a rash. These can be signs of meningitis.
• You have sudden severe headache, confusion, dizziness or trouble speaking.

See a doctor or physio if…

• Pain, pins and needles or weakness travels into your arm or hand.
• It started after a fall, accident or sports collision. A neck hurt in a car accident needs examining before you treat it at home: neck pain after a car accident.
• It isn’t clearly better after a week.
• It keeps coming back every few weeks. Stiffness that becomes a daily background ache may be neck arthritis.

Clinically reviewed by: Nigel Chua (Hand Occupational Therapist) & Louise Yow (Physiotherapist). This article is general information, not a diagnosis. electricheatpad.com sells electric heat pads.