Waking up with a sore back, stiff neck or painful shoulder can make you wonder if your sleeping position is causing the problem.
Maybe you sleep on your side and wake up with shoulder pain.
Maybe you sleep on your stomach and wake up with a stiff neck.
Maybe you wake up with lower back pain that improves once you start moving.
Or perhaps you’ve tried three different pillows and somehow feel worse with all of them.
So what is actually the best sleeping position for pain?
There isn’t one perfect sleeping position for everyone.
Your ideal position depends on where you hurt, how sensitive your symptoms are, your preferred sleeping position, your mattress and pillow, and how long you remain in one position during the night.
The good news is that you don’t need to completely retrain yourself to sleep in one “perfect” position.
Small changes to your position, pillow support and sleep routine can often make a significant difference.
At Restorative Touch Physiotherapy on Hamilton Mountain, we help people understand why pain may be affecting their sleep and develop personalized strategies to improve movement, recovery and daily function.
This guide explains the best sleeping positions for common pain conditions, how to choose a pillow, whether your mattress matters, and what to do if pain repeatedly wakes you up.
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Can Your Sleeping Position Cause Pain?
It can contribute to pain, but it’s rarely the whole story.
Sleeping in one position for several hours exposes your body to a prolonged load.
If that position is uncomfortable or your body doesn’t tolerate it well, you may wake up stiff or sore.
For example:
- Sleeping on your stomach may keep your neck rotated for a prolonged period.
- Sleeping on your side can place pressure through your shoulder.
- Sleeping on your back may aggravate certain people with particular types of back pain.
- A pillow that’s too high or too low can make your neck feel uncomfortable.
But there’s an important distinction:
A position that causes temporary discomfort isn’t necessarily damaging your body.
Your body can tolerate a huge variety of positions.
The goal is to find a position that allows you to sleep comfortably and wake up feeling reasonably good.
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What Is the Best Sleeping Position?
For most people, the best position is simply the one that:
- Allows you to sleep comfortably
- Doesn’t consistently aggravate your symptoms
- Allows you to change positions naturally
- Doesn’t leave you significantly more painful in the morning
Three common sleeping positions are:
Side sleeping
Back sleeping
Stomach sleeping
All three can be perfectly reasonable.
There is no requirement that you sleep on your back to protect your spine.
If you’ve slept comfortably on your side for 30 years, there’s probably no need to force yourself to become a back sleeper because someone told you it’s “better.”
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Best Sleeping Position for Lower Back Pain
There is no single position that works for everyone with lower back pain.
However, two positions are often worth trying.
Option 1: Side sleeping with a pillow between your knees
Lie on your side and place a pillow between your knees.
This can make the position feel more comfortable by supporting your legs and hips.
You can also place a pillow between your ankles if that feels better.
Your goal isn’t to create perfect spinal alignment.
It’s to find a comfortable position that reduces the amount of irritation you’re experiencing.
Option 2: Back sleeping with a pillow under your knees
Lie on your back and place a pillow underneath your knees.
This can make the position more comfortable for some people by changing the position of the hips and lower back.
Again, don’t force it.
If it makes your pain worse, try something else.
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Should I Sleep With a Pillow Under My Knees?
If you sleep on your back and find that your lower back feels more comfortable with your knees slightly elevated, yes.
A pillow under the knees can be a simple way to experiment with your sleeping position.
You don’t need a specialized orthopedic product.
A normal pillow can work.
The important question is:
Does it make you more comfortable?
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Best Sleeping Position for Sciatica
Sciatica can make finding a comfortable sleeping position frustrating.
Pain may travel from the lower back or buttock into the leg and can include numbness, tingling or burning sensations.
Some people find side sleeping more comfortable, particularly with a pillow between the knees.
Others prefer lying on their back with support under the knees.
There’s no universal rule.
The position that matters most is the one that reduces or centralizes your symptoms and allows you to sleep.
If a particular position consistently increases pain down your leg, try another position rather than forcing yourself to stay there.
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How Should I Sleep With a Herniated Disc?
A herniated disc doesn’t automatically mean you need to sleep in a particular position.
Your symptoms are more important than the MRI finding itself.
Some people feel more comfortable on their back.
Others prefer side sleeping.
Some may tolerate certain positions better than others depending on how their symptoms respond to movement.
Try different positions and pay attention to what happens not only while you’re lying down but also when you get up.
If you’re experiencing significant leg pain, numbness or weakness, an individualized assessment is appropriate.
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Best Sleeping Position for Neck Pain
For neck pain, the goal is generally to keep your neck in a comfortable position rather than forcing it into a particular alignment.
Side sleeping and back sleeping are often easier to modify than stomach sleeping.
If you sleep on your side
Your pillow should provide enough support that your head isn’t being pushed dramatically upward or allowed to fall toward the mattress.
If you sleep on your back
A relatively low-to-moderate pillow may be comfortable.
Your head shouldn’t feel like it’s being pushed excessively forward.
If you sleep on your stomach
Your neck will usually need to rotate to one side to breathe.
If stomach sleeping consistently causes neck pain, experimenting with side or back sleeping may be worthwhile.
But don’t panic if you occasionally wake up on your stomach.
You haven’t damaged your neck overnight.
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How Many Pillows Should I Use for Neck Pain?
There is no magic number.
One pillow may work perfectly for one person and be completely wrong for another.
What matters is the height and firmness of the pillow relative to:
- Your body size
- Shoulder width
- Mattress firmness
- Sleeping position
- Personal preference
A side sleeper will often need more pillow height than a back sleeper because there is more space between the head and mattress.
A stomach sleeper generally needs less.
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How Do I Know If My Pillow Is Too High?
Your pillow may be too high if:
- Your head feels pushed upward
- Your neck feels bent sideways while side sleeping
- You wake up with new neck stiffness
- You feel like your chin is being pushed toward your chest when lying on your back
Try a thinner pillow and see whether your symptoms change.
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How Do I Know If My Pillow Is Too Low?
Your pillow may be too low if:
- Your head drops toward the mattress when side sleeping
- You feel like you’re reaching your neck toward the mattress
- You wake up with discomfort that improves after getting up
Side sleepers often need more support than back sleepers.
But again, comfort matters more than achieving a specific measurement.
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What’s the Best Pillow for Neck Pain?
There’s no universally best pillow.
You may prefer:
- Memory foam
- Latex
- Feather
- Down alternative
- Adjustable-fill pillows
- A standard pillow
The most useful pillow is the one that supports your preferred sleeping position without consistently aggravating your symptoms.
You don’t necessarily need to spend $200 on a pillow.
Before buying something expensive, experiment with the pillow you already have.
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Best Sleeping Position for Shoulder Pain
Shoulder pain can make side sleeping particularly difficult.
If the painful shoulder is being compressed against the mattress, try sleeping on the opposite side.
You can also place a pillow underneath or in front of the painful arm for support.
For example:
Lie on your non-painful side and hug a pillow with the painful arm.
This can give the shoulder somewhere to rest rather than allowing the arm to fall across your body.
If you prefer sleeping on your back, placing a pillow under the painful arm may also make the position more comfortable.
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Should I Sleep on the Painful Shoulder?
You can if it’s comfortable.
There’s no universal rule that sleeping on an injured shoulder will make it worse.
However, if putting pressure on the shoulder consistently increases your pain or wakes you up, there’s no reason to force yourself to sleep on it.
Try the opposite side or sleep on your back.
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Best Sleeping Position for Rotator Cuff Pain
Rotator cuff problems can make lying directly on the affected shoulder uncomfortable.
A useful strategy is to sleep on the opposite side and support the affected arm with a pillow.
You can also experiment with sleeping on your back with the arm supported.
The goal is to reduce the amount of pressure and tension that makes your shoulder symptoms worse.
If shoulder pain is persistent, particularly if you have significant weakness, it should be assessed rather than assuming it’s simply a sleeping-position problem.
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Best Sleeping Position for Hip Pain
If you have hip pain, lying directly on the painful side may increase pressure through the area.
Try sleeping on the opposite side with a pillow between your knees.
Some people also find back sleeping more comfortable.
If both hips hurt, experimenting with back sleeping may reduce direct pressure on either side.
But persistent hip pain can have many possible causes, so sleeping position alone may not solve it.
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Best Sleeping Position for Knee Pain
For knee pain, comfort is the priority.
Side sleepers may find a pillow between the knees helpful.
Back sleepers can experiment with a pillow underneath the knees.
Avoid placing your knee in a position that consistently increases your symptoms.
If your knee is swollen, locking, giving way or significantly limiting your activity, seek an appropriate assessment.
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Best Sleeping Position for Plantar Fasciitis
Your sleeping position usually isn’t the main cause of plantar fasciitis.
However, symptoms can be particularly noticeable when you first get out of bed.
The first few steps in the morning may feel painful because the plantar fascia and surrounding tissues have been relatively inactive overnight.
Rather than worrying excessively about your sleeping position, focus on the broader treatment plan:
- Appropriate loading
- Calf strengthening
- Foot and ankle exercises
- Activity modification
- Footwear
- Gradual return to activity
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Is Sleeping on Your Stomach Bad for You?
Not necessarily.
If you’ve slept on your stomach for years and wake up feeling fine, there’s no need to panic.
However, stomach sleeping requires your head to remain rotated for prolonged periods.
If you’re experiencing recurring neck pain or morning stiffness, trying side or back sleeping may be worthwhile.
You don’t have to eliminate stomach sleeping immediately.
Experiment.
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Is Sleeping on Your Back Better?
Back sleeping can be comfortable for many people, but it isn’t automatically better.
Some people sleep extremely well on their backs.
Others snore more, experience discomfort or simply can’t fall asleep in that position.
If back sleeping is comfortable for you, great.
If you sleep better on your side, don’t force yourself to change simply because someone said back sleeping is the “correct” position.
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Is Side Sleeping Better?
Side sleeping is perfectly reasonable and often comfortable.
It can be particularly useful for people who don’t tolerate prolonged back or stomach positions.
If you’re a side sleeper:
- Use an appropriate pillow height.
- Keep your painful shoulder from being compressed if necessary.
- Try a pillow between your knees if your hips or back feel better with it.
- Change sides when comfortable.
You don’t need to remain perfectly symmetrical all night.
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Does Your Mattress Cause Back Pain?
Your mattress can influence comfort, but there isn’t one mattress firmness that is ideal for everyone.
A mattress that’s extremely soft may feel uncomfortable for some people.
A very firm mattress may feel uncomfortable for others.
What matters is whether you sleep comfortably and wake up feeling reasonably good.
If you’ve had the same mattress for many years and consistently wake up sore, your mattress may be worth considering.
But don’t assume a new mattress is the solution to persistent pain.
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Is a Firm Mattress Better for Back Pain?
Not necessarily.
The old idea that everyone with back pain should sleep on an extremely firm mattress isn’t supported as a universal rule.
Some people prefer firmer surfaces.
Others are more comfortable with moderate cushioning.
If you’re replacing your mattress, prioritize comfort and support rather than simply choosing the firmest option available.
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Can a Bad Pillow Cause Headaches?
It can contribute to discomfort in some people.
If your pillow places your neck in an uncomfortable position for hours, you may wake with neck stiffness or headache symptoms.
However, headaches have many possible causes.
If you’re experiencing frequent, severe or unusual headaches, don’t automatically blame your pillow.
Persistent headaches deserve appropriate assessment.
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Why Does My Back Hurt in the Morning But Feel Better During the Day?
This is common.
You may wake feeling stiff or uncomfortable, then notice that your symptoms improve after walking, showering and moving around.
Several factors can contribute, including:
- Prolonged inactivity overnight
- Sleeping position
- Mattress comfort
- Your current pain sensitivity
- Muscle and joint stiffness
- Your activity levels
Morning stiffness doesn’t automatically mean you’ve damaged your back while sleeping.
However, if morning pain is severe, persistent or accompanied by other concerning symptoms, it should be assessed.
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Why Does My Neck Hurt When I Wake Up?
Your neck may be sensitive to prolonged positioning during sleep.
Common contributors include:
- Pillow height
- Sleeping position
- Sleeping on your stomach
- Previous neck injury
- Increased muscle sensitivity
- Stress
- General neck mobility
Try changing one variable at a time.
For example, adjust your pillow rather than buying a new mattress, changing your sleeping position and starting five new exercises simultaneously.
That makes it easier to determine what actually helps.
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Why Does My Shoulder Hurt More at Night?
Shoulder pain can become more noticeable at night because you’re spending a prolonged period in one position and may place pressure on the affected shoulder.
Some shoulder conditions are particularly sensitive to lying down.
Try:
- Sleeping on the opposite side
- Supporting the affected arm with a pillow
- Sleeping on your back
- Avoiding prolonged pressure on the painful shoulder
If night pain is persistent or severe, an assessment can help determine what’s actually causing it.
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Why Does Pain Feel Worse at Night?
Pain can seem more intense at night for several reasons.
During the day you’re distracted and moving around.
At night, there are fewer distractions.
You may also become more aware of symptoms when you’re lying still.
Pain can also interact with:
- Stress
- Fatigue
- Sleep deprivation
- Activity levels
- Your nervous system’s sensitivity
This doesn’t mean the pain isn’t real.
It means pain is influenced by more than tissue damage alone.
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Can Poor Sleep Make Pain Worse?
Absolutely.
Pain and sleep have a two-way relationship.
Pain can interfere with sleep.
Poor sleep can make it harder to manage pain.
When you’re sleep deprived, you may also experience:
- Reduced energy
- Lower exercise tolerance
- Increased fatigue
- Greater sensitivity to discomfort
- Difficulty concentrating
- Reduced ability to recover
That’s why improving sleep can be an important part of managing persistent pain.
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How Can I Sleep Better When I’m in Pain?
Don’t focus exclusively on your sleeping position.
Look at your entire sleep routine.
Keep a consistent schedule
Try to maintain relatively consistent sleep and wake times.
Reduce stimulating activities before bed
Give yourself time to wind down.
Keep your bedroom comfortable
Temperature, light and noise can all influence sleep.
Exercise regularly
Regular physical activity can improve sleep quality.
Avoid excessive caffeine late in the day
Especially if you notice that caffeine affects your ability to fall asleep.
Find a comfortable position
Use pillows for support where appropriate.
Don’t obsess over posture
Constantly checking whether your spine is “aligned” can make falling asleep harder.
Your body can handle movement.
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What If I Wake Up With Pain During the Night?
First, don’t panic.
Try changing positions.
If you’re on your painful shoulder, roll onto your back or opposite side.
If your lower back hurts, experiment with a pillow under your knees or between your knees.
Take a few gentle movements.
If necessary, get up briefly and walk around.
The goal is to find a position that allows you to return to sleep.
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Should I Stretch Before Bed?
You can if it feels good.
Gentle stretching or mobility work before bed may help some people relax.
But you don’t need an intense stretching routine.
If stretching aggressively makes your pain worse, it’s probably not the right strategy.
A short walk, gentle mobility routine or relaxation exercise may be more useful.
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Should I Exercise If I’m in Pain?
Often, yes—but the type and amount matter.
For many musculoskeletal conditions, appropriate exercise is an important part of recovery.
Your body doesn’t necessarily need complete rest because you’re experiencing pain.
A physiotherapist can help determine:
- Which exercises are appropriate
- How much is enough
- What symptoms are acceptable
- How to progress
- What movements should temporarily be modified
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Can Physiotherapy Help With Pain That Is Worse at Night?
Yes.
A physiotherapist can help determine whether your nighttime symptoms are related to:
- Movement sensitivity
- Joint or muscle irritation
- Strength deficits
- Mobility limitations
- Nerve-related symptoms
- Activity levels
- Sleeping position
- Recovery habits
Treatment may include exercise, manual therapy, education, activity modification and strategies for improving sleep comfort.
The important part is identifying why the symptoms are occurring rather than simply telling you to buy a different pillow.
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When Should I See a Physiotherapist About Pain During Sleep?
Consider an assessment if:
- Pain repeatedly wakes you up.
- You wake with significant stiffness every morning.
- Your pain is affecting your sleep quality.
- You can’t find a comfortable sleeping position.
- Your symptoms interfere with work or exercise.
- Your pain keeps returning despite changing your sleeping position.
- You have persistent neck, back, shoulder or hip pain.
- You’re relying on medication or other strategies just to sleep comfortably.
A physiotherapist can assess the underlying problem and help determine whether your sleeping position is actually contributing.
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When Should Night Pain Be Medically Assessed?
Nighttime pain isn’t automatically a sign of something serious.
However, seek medical assessment if pain is:
- Severe and unexplained
- Constant and progressively worsening
- Associated with fever or feeling significantly unwell
- Associated with unexplained weight loss
- Following significant trauma
- Accompanied by new neurological symptoms
- Associated with significant weakness
- Associated with bowel or bladder changes
If you’re unsure, it’s better to seek appropriate medical advice rather than assuming the issue is simply your mattress or sleeping position.
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A Simple Sleep Position Experiment
Instead of completely changing your sleep routine, try this for several nights.
Night 1–2: Your normal position
Pay attention to:
- Where you hurt
- How severe it is when you wake
- How long it takes to improve
Night 3–4: Modify your pillow
Change only your pillow height or support.
Night 5–6: Add positional support
Try:
- Pillow between your knees
- Pillow under your knees
- Pillow supporting your arm
depending on where you hurt.
Night 7: Compare
Ask:
Did I sleep better?
Did I wake with less pain?
Did symptoms improve faster in the morning?
This is much more useful than buying five products and changing everything at once.
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The Most Important Rule About Sleeping Position
Don’t become afraid of movement.
Your spine, neck, shoulders and hips aren’t made of glass.
You will move during sleep.
You’ll roll over.
You’ll bend your neck.
You’ll end up in positions you didn’t consciously choose.
That’s normal.
You don’t need to maintain perfect spinal alignment for eight hours.
You need enough comfort and movement variability to sleep well.
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Sleeping Position & Pain: The Bottom Line
There isn’t one perfect sleeping position.
For lower back pain, try side sleeping with a pillow between your knees or back sleeping with a pillow under your knees.
For neck pain, experiment with side or back sleeping and make sure your pillow provides comfortable support.
For shoulder pain, avoid prolonged pressure on the painful shoulder and consider supporting the affected arm with a pillow.
For hip or knee pain, a pillow between the knees may make side sleeping more comfortable.
And if you’re comfortable sleeping on your stomach, there’s no reason to panic—but if it consistently causes neck pain, try another position.
Most importantly, don’t treat your sleeping position as the entire explanation for your pain.
Your activity levels, strength, mobility, stress, sleep quality, previous injuries and overall health can all contribute.
If you’re consistently waking up with pain, the goal isn’t simply to find a better position. It’s to understand why your body isn’t tolerating the position you’re in.
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How Restorative Touch Physiotherapy Can Help
At Restorative Touch Physiotherapy on Hamilton Mountain, we take a broader approach to pain management.
If you’re struggling with neck, back, shoulder, hip or other musculoskeletal pain that’s affecting your sleep, we’ll assess your movement and symptoms to understand what may be contributing.
Your treatment may include:
- Exercise therapy
- Strength training
- Mobility exercises
- Manual therapy
- Education
- Activity modification
- Sleep-position strategies
- Ergonomic recommendations
- A personalized home exercise program
The goal isn’t to give you a generic list of stretches.
It’s to help you understand your pain and build the physical capacity to get back to sleeping, working, exercising and living normally.
If pain is repeatedly interfering with your sleep, book an assessment with Restorative Touch Physiotherapy on Hamilton Mountain.
A better night’s sleep may start with understanding what’s causing your pain in the first place.
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Frequently Asked Questions
What is the best sleeping position for lower back pain?
Many people find side sleeping with a pillow between the knees or back sleeping with a pillow under the knees comfortable. However, the best position is the one that reduces your symptoms and allows you to sleep.
Is sleeping on your side good for back pain?
It can be. A pillow between the knees may make side sleeping more comfortable for some people with lower back pain.
Is sleeping on your stomach bad for your back?
Not necessarily. If you sleep comfortably on your stomach and don’t have symptoms, there’s no need to panic. If it aggravates your back or neck, experiment with another position.
What is the best sleeping position for neck pain?
Side and back sleeping are often easier to modify for neck comfort. Your pillow should provide enough support without forcing your neck into an uncomfortable position.
What pillow is best for neck pain?
There isn’t one universally best pillow. The appropriate height depends on your sleeping position, body size, shoulder width and mattress.
How many pillows should I use?
There is no magic number. One pillow may be enough, while additional pillows can be useful for supporting your knees, legs or arms.
What is the best sleeping position for sciatica?
Some people find side sleeping with a pillow between their knees comfortable, while others prefer lying on their back with support under the knees. Your symptoms should guide the choice.
Should I sleep on the painful shoulder?
You can if it’s comfortable, but if pressure increases your pain, try sleeping on the opposite side or on your back with the affected arm supported.
Can your mattress cause back pain?
A mattress can influence comfort, but there isn’t one mattress that is best for everyone. If your mattress is old or consistently uncomfortable, it may be worth considering, but it shouldn’t automatically be blamed for persistent pain.
Is a firm mattress better for back pain?
Not necessarily. Some people prefer firmer mattresses while others sleep better on moderate cushioning. Comfort and support are more useful considerations than simply choosing the firmest mattress.
Why does my back hurt when I wake up?
Morning pain can be influenced by prolonged inactivity, sleeping position, mattress comfort, muscle and joint stiffness and your underlying condition. If it persists or worsens, consider an assessment.
Why does my shoulder hurt more at night?
Prolonged pressure or positioning can aggravate some shoulder conditions. Sleeping on the opposite side and supporting the painful arm may help.
Can poor sleep make pain worse?
Yes. Poor sleep can increase fatigue and sensitivity to pain while making it harder to exercise and recover.
Should I stretch before bed?
Gentle stretching or mobility work can feel good, but it isn’t necessary for everyone. Avoid forcing painful stretches.
Can physiotherapy help with pain that affects my sleep?
Yes. Physiotherapy can address contributing factors such as strength, mobility, movement tolerance, activity levels and pain management while providing strategies to make sleep more comfortable.
When should I worry about pain at night?
Severe, unexplained or progressively worsening pain, particularly when accompanied by fever, unexplained weight loss, significant trauma or neurological symptoms, should receive appropriate medical assessment.
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Restorative Touch Physiotherapy — Hamilton Mountain
Sleep better. Move better. Feel better.
If neck, back, shoulder or hip pain is keeping you awake—or you’re waking up sore every morning—you don’t necessarily need a new mattress.
You may need a better understanding of what’s driving your pain.
Book a physiotherapy assessment at Restorative Touch Physiotherapy on Hamilton Mountain and let’s figure it out together.