Best Mattress for Shoulder Pain UK (2026)
Waking up with a painful, stiff or numb shoulder can make choosing a new mattress feel surprisingly difficult. Should you choose a soft mattress for pressure relief, a medium firm mattress for support, or a firm mattress to keep your spine aligned? The answer is not simply buy the softest mattress.
The best mattress for shoulder pain depends on the interaction between your body weight, sleeping position, shoulder anatomy, mattress firmness, pressure distribution, spinal alignment and mattress construction.
For a side sleeper, the shoulder is one of the body's most prominent contact points. If a mattress is too firm, the shoulder may not be able to sink sufficiently into the surface. If it is too soft, the shoulder and upper body may sink too deeply, potentially affecting spinal alignment. This is where mattress ergonomics becomes important.
A well designed mattress should provide:
- Pressure relief around the shoulder
- Progressive support underneath the body
- Appropriate spinal alignment
- Sufficient surface conformity
- Stable support without excessive sinking
- Good temperature regulation
- Enough responsiveness to allow natural movement
Sleep Harvester's existing research-led guidance makes the same distinction: mattress firmness and mattress support are related, but they are not the same thing.
Quick answer: For many people experiencing shoulder pressure, particularly side sleepers, a mattress with a pressure-relieving comfort layer over a supportive core is more important than simply choosing the softest or firmest mattress. Medium Firm can be a useful starting point for many sleepers, but body weight and sleeping position should determine the final choice.
Quick Answer: What Is the Best Mattress for Shoulder Pain?
Sleep Harvester offers four firmness options — Soft, Medium Firm, Firm and Very Firm — allowing the firmness to be matched more closely to the individual sleeper.
Why Does My Shoulder Hurt When I Sleep?
Shoulder discomfort during or after sleep can have many causes, including an underlying musculoskeletal condition, sleeping position, pillow height, previous injury or prolonged pressure. The mattress can also contribute to the problem. When you sleep on your side, your shoulder becomes one of the main load bearing areas between your body and the mattress.
The basic physics is straightforward:
Pressure = Force ÷ Area
P = F/A
Where:
- P = pressure
- F = force applied to the surface
- A = contact area
If the same amount of body weight is concentrated over a smaller area, pressure increases. That is why the shoulder can become particularly important when side sleeping. Sleep Harvester's existing shoulder pain article explains this principle in detail and describes how surface conformity and pressure redistribution can influence the way the shoulder interacts with the mattress.
When sleeping on your side, body weight can become concentrated around the shoulder and hip. A mattress needs to accommodate these prominent areas while still providing deeper support.
Expert Insight from Dr Ilyas Ansari
The shoulder is a relatively prominent anatomical contact point, particularly when sleeping on your side. The objective of mattress design should therefore not simply be to make the surface softer. It is to redistribute pressure over a suitable contact area while maintaining sufficient support beneath the body.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence AwardCan Your Mattress Cause Shoulder Pain?
A mattress is not necessarily the underlying cause of shoulder pain, but the sleep surface can influence where and how pressure is distributed.
A mattress may contribute to discomfort when:
- The surface is too firm for your body
- The shoulder cannot sink sufficiently
- The comfort layer provides inadequate pressure redistribution
- The mattress is too soft and allows excessive immersion
- The support core does not provide enough resistance
- The mattress is worn or sagging
- Your pillow height is inappropriate
- Your sleeping position places prolonged pressure on one shoulder
This is why simply replacing a very firm mattress with an extremely soft one does not automatically solve the problem.
The objective is controlled pressure relief.
Too Firm vs Too Soft: Which Is Worse for Shoulder Pain?
Both extremes can create problems — but in different ways.
If a mattress is too firm
A very firm surface can resist the natural shape of the shoulder. For a side sleeper, this can mean:
Shoulder → insufficient immersion → smaller contact area → increased local pressure
Possible signs include:
- Shoulder soreness in the morning
- Pressure around the shoulder joint
- Numbness or pins and needles
- Frequently changing position
- Feeling as though you are "sleeping on top" of the mattress
If a mattress is too soft
An excessively soft mattress creates a different problem. The shoulder may sink deeply, but the torso and pelvis can also sink too far.
This may contribute to:
- Poor lateral alignment
- A feeling of being "stuck" in the mattress
- Difficulty changing position
- Excessive sinking around the hips and shoulder
- A less stable sleeping surface
The goal is therefore not maximum softness. It is pressure relief with underlying support.
Ergonomic principle
Shoulder accommodation + progressive support = better balance
This is a more useful way to think about mattress selection than simply asking whether a mattress is "soft" or "firm".
What Mattress Firmness Is Best for Shoulder Pain?
There is no single firmness rating that is correct for everyone. However, medium firm is often a useful starting point, particularly for average weight sleepers and combination sleepers. Research on mattress firmness has generally found favourable results for medium firm surfaces in several areas of sleep comfort and spinal alignment, although much of the strongest research concerns low back pain rather than shoulder specific conditions.
A systematic review of 24 controlled trials found that medium firm mattresses were generally associated with favourable outcomes for sleep comfort, quality and spinal alignment. A randomised trial involving 313 adults with chronic non specific low back pain also found medium firm mattresses produced better outcomes than firm mattresses in that population. That study was about low back pain rather than shoulder pain, so it should not be interpreted as proof that medium firm is universally best for shoulder conditions. This distinction is important. Shoulder pain is not simply a firmness problem. It is an ergonomics problem involving:
Body + position + pressure + support + mattress construction
Expert Insight from Dr Ilyas Ansari
When someone experiences shoulder discomfort during sleep, I would not begin by asking whether they need a soft or firm mattress. The first consideration should be how the mattress interacts with their body — particularly their body weight, sleeping position, pressure distribution and the level of support provided beneath the comfort layers.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence AwardBody Weight Changes How a Mattress Feels
The same mattress can behave very differently for two people.
Imagine two side sleepers:
- Sleeper A: 60 kg
- Sleeper B: 110 kg
The heavier sleeper will generally compress the comfort layers more deeply. Therefore, a mattress that feels reasonably soft to a lighter sleeper may feel significantly softer to a heavier sleeper. Conversely, a very firm mattress that feels acceptable to a heavier sleeper could feel excessively hard to a lighter sleeper. Sleep Harvester's Mattress Selector similarly uses body weight alongside sleeping position when recommending firmness.
Key point: Body weight affects not just firmness perception but also compression, immersion, pressure distribution and the amount of underlying support required.
Expert Insight from Dr Ilyas Ansari
Body weight should be considered when assessing mattress performance because the same mattress can respond very differently to different loads. A heavier sleeper generally compresses the comfort system further, meaning that the underlying support structure becomes increasingly important. This is one reason why firmness should never be considered independently from body weight and mattress construction.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence AwardThe question isn't simply “How heavy is the sleeper?” — it is “How does the mattress respond to that load?”
Best Mattress for Shoulder Pain by Sleeping Position
1. Side Sleepers With Shoulder Pain
This is the most important category for shoulder pressure. Side sleeping concentrates pressure around the:
- Shoulder
- Hip
- Outer thigh
- Knee
A suitable mattress should therefore allow the shoulder to settle into the comfort system while preventing the torso from sinking excessively. For many average weight side sleepers, Medium Firm can provide a useful balance. Lighter side sleepers may prefer Soft or Medium Firm, while heavier side sleepers may need Medium Firm or Firm, depending on the mattress construction.
Sleep Harvester's dedicated Best Mattress for Side Sleeper Guide UK similarly focuses on shoulder and hip pressure relief combined with underlying support and your sleeping position.
2. Back Sleepers With Shoulder Pain
Back sleeping spreads body weight over a larger area. The shoulder is generally less compressed than during side sleeping, so the mattress does not necessarily need the same degree of shoulder immersion. A Medium Firm surface can be a useful starting point because it can provide cushioning without allowing excessive sinking.
Pillow height is also important. If your pillow is too high or too low, your neck and upper spine may be positioned poorly even if the mattress itself is well matched.
3. Combination Sleepers
If you move between your side and back during the night, you need a mattress that can accommodate both positions. A Medium Firm, responsive mattress can be a useful starting point.
You want enough surface conformity for side sleeping but sufficient underlying resistance when you roll onto your back. This is one reason responsive pocket spring or hybrid construction can be attractive for combination sleepers.
Best Mattress for Shoulder and Hip Pain
Shoulder and hip discomfort frequently occur together in side sleepers because both areas are prominent points of contact with the mattress. The solution is not necessarily to choose an extremely soft mattress. Instead, look for:
1. Surface conformity — The comfort layers should accommodate the shoulder and hip
2. Pressure redistribution — Body weight should be spread across a wider contact area
3. Progressive support — The mattress should become more supportive as compression increases
4. Spinal stability — The torso and pelvis should not sink excessively
5. Appropriate firmness — The firmness needs to match your body weight and sleep position
For a more detailed discussion of hip pressure, see Best Mattress for Hip Pain UK – Expert Guide.
What Is Progressive Mattress Support?
Progressive support is one of the most important concepts in ergonomic mattress design. Instead of the mattress responding in exactly the same way throughout its depth, different layers perform different functions.
Expert Insight from Dr Ilyas Ansari
A mattress should ideally work progressively through its depth. The upper comfort layers need to accommodate the body's prominent areas, while deeper layers increasingly resist compression and provide structural support. This is why looking only at the surface feel of a mattress can give an incomplete picture of its ergonomic performance.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence AwardTypical sequence:
Comfort → Transition → Support → Structural stability
The upper layers provide initial conformity. The transition layers manage increasing compression. The deeper support core provides stronger resistance. This allows the shoulder to settle into the surface without allowing the entire body to sink uncontrollably.
Why this matters for shoulder pain
A good comfort system should not be expected to perform the entire support function. Likewise, a very rigid support core should not be expected to provide all the pressure relief. Different layers can perform different ergonomic jobs.
What Mattress Construction Is Best for Shoulder Pressure?
Hybrid mattresses
Hybrid mattresses combine a support core — commonly pocket springs — with comfort materials such as foam. This can be useful for shoulder-pressure management because the two systems perform different functions.
Comfort layers contour and redistribute pressure. Pocket springs provide responsive underlying support. Sleep Harvester's Hybrid Mattress Guide UK explains this construction in greater detail.
Pocket sprung mattresses
Individually wrapped pocket springs can respond independently to different areas of the body. This can provide responsive support and reduce the "one solid block" feel associated with some traditional spring systems. For more detail, read Pocket Sprung Mattress Guide UK.
Memory foam
Memory foam can provide substantial surface conformity and pressure redistribution. However, some sleepers dislike the slower response and heat retention associated with traditional memory foam. If you sleep hot, consider the whole construction, not simply whether a mattress contains foam. Breathable foams, pocket springs, ventilation and moisture wicking fabrics can all influence thermal comfort. For more information on memory foam mattresses, read our UK guide on Are Memory Foam Mattresses Good?
What Should You Look for in a Mattress for Shoulder Pain?
Our Recommended Sleep Harvester Starting Points
Rather than claiming that one mattress is universally "the best" for shoulder pain, it is more useful to match the construction to the sleeper.
CONFLUENCE 3000 — pressure relief and versatility
The CONFLUENCE 3000 is available in Soft, Medium Firm, Firm and Very Firm options and is positioned by Sleep Harvester as a side sleeper mattress with pressure relief around the shoulders and hips and pocket spring support.
Potential starting point: Medium Firm for many average weight side sleepers; Soft may be worth considering for lighter sleepers who need greater surface conformity.
SIENNA 4000 — deeper comfort and pressure redistribution
The SIENNA 4000 combines a 33cm construction, 4000 pocket springs, bamboo fabric, wool, Sleep Resonance Foam® and AirPulse Medical Memory®. It is available in Soft, Medium Firm and Firm.
Potential starting point: Soft or Medium Firm for a lighter side sleeper seeking greater shoulder accommodation.
RECTOR 2000 — shoulder pressure + cooling
The RECTOR 2000 combines 2000 pocket springs with XTRACOOL fabric, Sleep Resonance Foam®, Active Cooling Windows®, Sports Recovery Foam® and ErgoEdge® support. It is available in Soft, Medium Firm, Firm and Very Firm.
Potential starting point: Particularly worth considering when shoulder pressure is combined with a preference for a cooler sleep surface.
CHANCELLOR 2000 — breathable bamboo hybrid
The CHANCELLOR 2000 combines 2000 pocket springs, bamboo fabric, Sleep Resonance Foam®, ErgoCore® and ErgoEdge® construction. It is available in four firmness options.
Potential starting point: Medium Firm can be a useful starting point for combination sleepers or average weight sleepers who want a balance of cushioning and support.
Expert Insight from Dr Ilyas Ansari
When assessing shoulder discomfort, I would not start by asking whether someone needs a soft or firm mattress. I would first consider the complete ergonomic interaction — body weight, sleeping position, shoulder and hip pressure, spinal alignment and the way the mattress responds beneath the sleeper.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence Award
Dr Ilyas Ansari explains:
Shoulder comfort during sleep is fundamentally an ergonomic interaction between the body and the mattress. A mattress needs to accommodate the shoulder without allowing the rest of the body to sink excessively. This is why simply increasing or decreasing firmness is not necessarily the answer. The more useful question is:
Does the mattress provide enough surface conformity for the shoulder while maintaining sufficient underlying support for the rest of the body?
This approach is consistent with Sleep Harvester's wider ergonomics framework, which considers body weight, sleeping position, pressure distribution, spinal alignment and mattress construction together.
Shoulder Pain: Firmness vs Support
One of the biggest mistakes in mattress shopping is assuming:
Firm mattress = supportive mattress
That is not necessarily true. Firmness describes how the mattress feels.
Support describes how effectively the mattress responds to your body and helps maintain appropriate alignment.
A mattress can therefore be:
- Firm but poorly matched to a particular body
- Soft at the surface but strongly supportive underneath
- Medium Firm with excellent progressive support
- Soft and supportive
- Firm and pressure-relieving
The internal construction matters. This distinction is particularly important for shoulder pain because the shoulder often needs more accommodation at the surface, while the torso still needs stable support underneath.
Sleep Harvester's separate article Why Mattress Firmness Alone Doesn't Determine Back Support on firmness and back support explains this distinction in detail.
How Do You Know if Your Mattress Is Too Firm?
Common clues include:
- Shoulder pain that is worse after sleeping on your side
- Pressure or tenderness directly around the shoulder
- Numbness or pins and needles
- Frequently changing sleeping position
- Feeling that your shoulder is being pushed upwards
- Feeling more comfortable on a softer surface
Try comparing how your shoulder feels when lying on the mattress with how it feels on a surface that provides more conformity. If symptoms persist, particularly if there is significant pain, weakness, numbness or an injury, mattress selection should not replace appropriate medical assessment.
How Do You Know if Your Mattress Is Too Soft?
Possible signs include:
- Your shoulder and hip sink deeply into the mattress
- You feel trapped in the mattress
- You struggle to turn over
- Your pelvis appears to sink substantially lower than your torso
- Your spine feels twisted when lying on your side
- You wake with general stiffness rather than simply local shoulder pressure
The solution may be a more supportive comfort system rather than simply a harder surface.
The Pillow Matters Too
A mattress cannot compensate completely for an inappropriate pillow. For side sleepers, the pillow needs to fill the space between the mattress and the head while maintaining a reasonably neutral neck position.
If the pillow is:
Too low → head may tilt down towards the mattress.
Too high → head may tilt upwards.
Either situation can alter the position of the neck and upper spine. Therefore, if you have shoulder discomfort, assess:
Mattress + pillow + sleeping position
rather than the mattress in isolation.
7-Step Ergonomic Mattress Test for Shoulder Pain
Before buying a mattress, ask:
1. Does my shoulder have enough room to settle?
If the shoulder feels pushed upwards, the surface may be too firm for you.
2. Does my hip also receive pressure relief?
Shoulder and hip pressure frequently occur together in side sleepers.
3. Does my waist receive support?
The mattress should accommodate the body's contours without creating an unstable sleeping position.
4. Does my spine remain reasonably aligned?
Look at your position from behind or use a photograph/video to assess your posture.
5. Can I turn comfortably?
A mattress should not make movement unnecessarily difficult.
6. Do I feel supported rather than simply "hard"?
Remember:
Firmness ≠ support
7. Am I comfortable after several hours?
A five-minute showroom test cannot reproduce a full night's interaction with the mattress.
Best Mattress for Shoulder Pain by Body Weight
For example, a 95 kg side sleeper with broad shoulders and pronounced shoulder pressure may require a different feel from a 95 kg back sleeper. Body shape matters as well as body weight.
What About Shoulder Pain and Back Pain Together?
This is where mattress ergonomics becomes especially important. You need to manage two potentially competing requirements:
Shoulder — Needs sufficient pressure relief
Lower back / pelvis — Needs sufficient underlying support
A mattress that solves one problem by simply becoming softer may create another if the pelvis sinks too deeply. Conversely, a very firm mattress may support the pelvis but increase shoulder pressure. The objective is therefore:
Pressure relief at the shoulder + stable support underneath the torso and pelvis.
For broader information, see Best Mattress for Back Pain UK and Why Mattress Ergonomics Matters for Better Sleep.
Can a Mattress Cure Shoulder Pain?
No mattress should be presented as a cure for a medical condition. Shoulder pain can have many causes, including injury, inflammation, arthritis, tendon problems and other musculoskeletal conditions. A suitable mattress may improve sleep comfort and pressure management, but it cannot diagnose or treat the underlying cause.
If shoulder pain is persistent, severe, worsening, associated with significant weakness or follows an injury, seek appropriate medical advice. The NHS also advises seeking professional help for persistent pain where appropriate.
How Mattress Ergonomics Applies to Shoulder Pain
At Sleep Harvester, mattress ergonomics can be considered through three connected principles.
Ergonomics of Sleep®
How the mattress interacts with the sleeper throughout the night.
Ergonomics of Comfort®
How the surface manages pressure and contact between the body and mattress.
Ergonomics of Support®
How the deeper construction responds to body weight and maintains stability.
Together:
Sleep + Comfort + Support = Mattress Ergonomics
This approach avoids the simplistic idea that everyone needs the same firmness.
Sleep Harvester's broader ergonomics guide similarly describes mattress selection as an interaction between body weight, posture, pressure distribution, sleeping position and construction.
Expert Insight from Dr Ilyas Ansari
Mattress selection should be viewed as an ergonomic system rather than a single firmness decision. Body weight influences compression, sleeping position influences pressure distribution, mattress construction determines how that pressure is managed, and the support system determines how the body is stabilised. Bringing these factors together provides a more meaningful approach to selecting a mattress.
— Dr Ilyas Ansari | Founder of Sleep Harvester | Recipient of the UK's first Ergonomics Excellence Award
10 Questions to Ask Before Buying a Mattress for Shoulder Pain
- What is my body weight?
- Do I sleep primarily on my side?
- Where exactly do I feel pressure?
- Is my existing mattress too firm or too soft?
- Does my shoulder sink into the comfort layer?
- Does my hip also receive appropriate pressure relief?
- Does my spine remain reasonably aligned?
- Can I change position easily?
- Do I sleep hot?
- Does the mattress offer an appropriate firmness for my individual body?
Frequently Asked Questions
What is the best mattress for shoulder pain in the UK?
There is no single mattress that is best for every person with shoulder pain. For many side sleepers, a mattress providing pressure-relieving surface layers combined with stable underlying support is a sensible starting point. Firmness should be matched to body weight and sleeping position.
Is a soft or firm mattress better for shoulder pain?
Neither is automatically better. A mattress that is too firm may create excessive shoulder pressure, while one that is too soft may allow excessive sinking. The objective is a balance between pressure relief and support.
What mattress firmness is best for shoulder pain and side sleeping?
Medium Firm is a useful starting point for many average-weight side sleepers. Lighter sleepers may prefer Soft or Medium Firm, while heavier sleepers may need Medium Firm or Firm depending on the mattress construction.
Is a medium firm mattress good for shoulder pain?
It can be. Medium Firm can provide a balance between surface cushioning and underlying support. However, the actual construction of the mattress and the sleeper's body weight and position are also important.
What is the best mattress for shoulder pain and hip pain?
Look for a mattress that provides pressure redistribution around both the shoulder and hip while maintaining enough underlying support to prevent excessive sinking.
Can a mattress cause shoulder pain?
A mattress may contribute to shoulder discomfort if it creates excessive pressure, does not accommodate the shoulder properly or allows an unsuitable sleeping posture. However, shoulder pain can have many other causes.
Are hybrid mattresses good for shoulder pain?
A well-designed hybrid can be suitable because comfort layers can provide pressure redistribution while pocket springs provide responsive underlying support. The specific construction and firmness still matter.
Is memory foam good for shoulder pain?
Memory foam can provide good conformity and pressure redistribution, but performance depends on the particular material and construction. Some people also find traditional memory foam retains too much heat or makes movement difficult.
Is a pocket-sprung mattress good for shoulder pain?
It can be. Individually wrapped pocket springs can provide responsive support, particularly when combined with suitable comfort layers. Pocket springs alone do not guarantee shoulder pressure relief.
Why does my shoulder hurt more on a very firm mattress?
A very firm mattress may not allow sufficient immersion around a prominent shoulder area, particularly when side sleeping. This can concentrate pressure over a relatively small contact area.
Why does my shoulder hurt on a soft mattress?
An excessively soft mattress may allow the shoulder, hip and torso to sink deeply. This can alter your sleeping posture and make movement more difficult.
Should side sleepers use a soft mattress?
Some side sleepers benefit from a softer surface because the shoulder and hip need greater accommodation. However, body weight and the support characteristics underneath the comfort layer must also be considered.
What is the best mattress for shoulder pain if I am a heavy person?
Heavier side sleepers generally need enough structural support to control compression while still receiving pressure relief at the shoulder. A Firm mattress is not automatically required; construction and progressive support are important.
Can changing my pillow help shoulder pain?
It can help if your pillow is contributing to poor neck positioning. For side sleepers, pillow height should generally accommodate the distance between the head and mattress without forcing the neck excessively upward or downward.
How long should I test a mattress?
A mattress can feel different after your body has adapted to it, so a meaningful home trial can be more informative than a brief showroom test. Check the individual retailer's trial terms before purchasing.
Final Verdict: What Should You Look For?
If you are searching for the best mattress for shoulder pain in the UK, don't start by asking:
"How soft should my mattress be?"
Start with:
"How does this mattress distribute pressure while supporting my body?"
The ideal combination for many shoulder-sensitive sleepers is:
Pressure relief — The shoulder can settle into the surface
Progressive support — Deeper layers become more supportive as compression increases
Spinal alignment — The mattress accommodates the shoulder without allowing the torso and pelvis to sink excessively
Body specific firmness — Firmness is matched to body weight and sleeping position
Responsive construction — The sleeper can move naturally without feeling trapped
Thermal comfort — The mattress allows sufficient airflow and moisture management
This is the essence of mattress ergonomics: not simply making a mattress softer or firmer, but engineering the interaction between body, posture, pressure and support.
Related Sleep Harvester Guides
For readers who want to explore the subject further:
- Best Mattress for Side Sleepers UK — particularly useful for shoulder and hip pressure.
- Why Side Sleepers Wake Up With Shoulder Pain — the science behind shoulder pressure when side sleeping.
- Mattress Firmness Guide UK — how body weight and sleeping position influence firmness.
- Best Mattress for Hip Pain UK — useful for readers experiencing both hip and shoulder pressure.
- Why Mattress Ergonomics Matters — the wider science of mattress ergonomics.
- Hybrid Mattress Guide UK — construction, pocket springs and comfort layers.
- Pocket Sprung Mattress Guide UK — how individually wrapped springs work.
- Best Mattress for Back Pain UK — for readers experiencing shoulder and back discomfort together.
About the Author
Dr Ilyas Ansari
Dr Ilyas Ansari is the founder of Sleep Harvester and an award-winning scientist. He is a passionate advocate for better sleep health in the UK. With a background in sleep ergonomics and a deep understanding of spinal support and pressure relief, he created Sleep Harvester to cut through misleading mattress marketing and help people find genuinely high quality sleep solutions. He writes and reviews all Sleep Harvester content to ensure it meets the highest standards of accuracy, technical and clinical relevance.
Read more about Dr Ilyas Ansari | Recipient of the UK's first Ergonomics Excellence Award
Dr Ilyas Ansari, Sleep Specialist & Mattress Ergonomics Pioneer
"After years of research and helping thousands of sleepers, I can say that the right mattress firmness isn't about preference alone - it's about proper spinal alignment. When your mattress supports your body's natural curves, you wake up pain-free and energised. So, mattress firmness is the single most important factor in achieving restorative sleep and maintaining long term spinal health."
Professor John Groeger, Professor of Sleep Science
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