Your Sleep Matters!
Your Sleep Matters!
Choosing a mattress is never easy - and increasing choices make the decision even more difficult.
We're frequently asked whether foam mattresses or spring mattresses are better.
Well, the short answer is that it depends. 🤷♀️
We'll unpack the foam vs spring mattress debate in this article.
Let's get straight to it. 🥳
You're likely to find high-quality foam mattresses and high-quality spring mattresses in your hunt for the best mattress in the UK.
But these two types of mattresses are very different.
If you'd like to deep-dive into an analysis of these mattresses, we'd suggest you turn to our in-depth articles:
Below, you'll find a side-by-side comparison of the significant differences between these two types of mattresses.
| Foam Mattresses | Spring Mattresses | |
| Construction | Any foam - cold foam, gel foam, polyurethane foam, memory foam, etc. | Any spring - pocket sprung, open coil, etc. |
| Firmness | Generally softer or medium-firm | Generally firmer or medium-firm |
| Feel | Contouring | More bouncy |
| Stability & support | A high-quality foam mattress can offer good stability & support | Excellent stability & support, especially for heavier weight sleepers |
| Suitable for (general guideline) |
Light- and average-weight sleepers Side or back sleepers People who like softer or medium-firm mattresses Couples |
Sleepers of any bodyweight Any sleeping preference Sleepers who need more support Heavier sweaters Restless sleepers |
| Temperature | Average to good temperature regulation | Excellent temperature regulation |
| Mattress covers | Usually removable | Usually not removable |
| Bed-in-a-box | Available as bed-in-a-box mattresses | Only hybrid models available as bed-in-a-box mattresses |
| Durability | High-density foam mattresses should last 8 - 10 years | Very high-quality spring mattresses should last 7 - 10 years |
| Off-gassing | Synthetic foam mattresses usually emit a chemical smell when first unpacked | No off-gassing |
| Price | Often cheaper to mid-range | Quality spring mattresses are usually more expensive than all-foam mattresses |
We can't say that one type of mattress is better than another.
But, you will find that a certain kind of mattress will be better suited to you.
Let's go into an overview of these two types of mattresses to help you figure out which one is best for you. 👇
Foam mattresses, in a nutshell, are all-foam beds.
They're especially popular as bed-in-a-box mattresses as foam can be so easily compressed and vacuum-packed for in-a-box delivery. 📦
Most foam mattresses consist of two or more layers of foam, and all-foam mattresses will likely combine multiple types of foam for the best sleeping experience.
There are many different types of foam mattresses available.
You're likely to find a foam mattress to suit any budget, but we'd recommend you stay away from low-density, cheaper models.
Here is an overview of the most common types of foam used in foam mattresses.
Polyfoam is very common in modern foam beds.
Foam made from polyurethane is known to be a bit more bouncy and springy, and it's often used as the top comfort layer in a mattress. 😴
There are different types of polyfoam available.
The two most common types of polyfoam used are:
Most all-foam mattresses will feature a layer of cold foam at their base.
Memory foam (also often called viscoelastic polyurethane foam or low-resilience polyurethane foam) is also made predominantly of polyurethane but includes a few additional chemicals to increase viscosity and density.
NASA first designed it as a pressure-absorbing material to cushion astronauts' seats and absorb impact during space travel. 🚀
It's called "memory" foam as the material tends to retain the shape of your body for a few seconds after pressure is applied.
The images below demonstrate this well:
This makes memory foam popular for orthopaedic mattresses and those aimed to provide relief of pressure points and back pain. 😁
In addition to standard memory foam, you can also find open-cell memory foam with increased airflow and gel memory foam with enhanced cooling properties.
Memory foam is one of the highest quality mattress foams available.
It also happens to be hypoallergenic, making it an excellent choice for people prone to allergies. 🤧
One of our favourite memory foam beds is the Nectar mattress.
It features multiple layers of contouring and supportive foams, but the core of the mattress is orthopaedic memory foam.
This is one of the most comfortable foam mattresses we've tested.
Latex is a natural rubber-like material that's very common in organic mattresses.
The foam produced is generally soft and comfortable, bouncy, and very durable.
There are two common types of latex foam:
Pure latex mattresses are very expensive - and very difficult to find.
You're more likely to find all-foam beds with just one layer of latex for some of the benefits.
The Sealy Nostromo Latex 1400, for example, is an excellent value-for-money option that combines pocketed coils with Innergetic latex for excellent push-back and support.
Innerspring mattresses are considered classics.
You're likely to have slept on a spring mattress at some point or another. 👌
These are mattresses with a core of springs or metal coils.
Most springs mattresses combine springs with top comfort layers of foam.
Some even have a foam pillow top for maximum softness.
There are many different types of spring mattresses available. 🌀
As with foam mattresses, we'd recommend you stay away from the cheaper models as these tend to be of inferior quality, forming dents more quickly and causing squeaky noises.
Traditional spring mattresses generally consist of an open coil or continuous coil system.
Bonnell coils, for example, are hourglass-shaped coils used in standard designs.
Offset coils are similar, but these are straight on one side, so they fit together more snugly.
These mattresses are simple and cost-effective.
As all the springs are attached, open coil & continuous coil mattresses are very supportive.
But, they tend to lack body adaptability.
While there are some better quality open coil mattresses on the market, like those from Silentnight, we generally advise against open coil mattresses.
Pocket coils, or Marshall coils, are what you'll find in modern-day pocket spring mattresses.
Here, metal coil springs are individually wrapped in fabric pocekts.
This allows each spring to move independently, enhancing body adaptability and allowing for better pressure relief, comfort, and support. 💤
Most pocket springs are spiral-shaped, but you can also find barrel pocket spring mattresses, where springs have a bulbous form.
These are very high-quality pocket sprung mattresses.
Pocket sprung mattresses tend to be more expensive, but you can also find some great budget options.
The SleepSoul Space 2000 Pocket Spring Pillowtop Mattress, for example, is available at a fraction of the standard pocket sprung price but still offers phenomenal value for money.
Hybrid mattresses combine foams and springs, but they're often classified as a type of spring mattress.
These mattresses may have mini or full-size pocket springs but they also have multiple foam layers.
They are among the top mattresses available as they combine the best features of both materials. 🏅
Hybrid mattresses are also available as bed-in-a-box models.
One of our favourite hybrid mattresses is the Simba Hybrid.
It's a more premium mattress but it's made of excellent materials, offers great support, and feels very comfortable to sleep on.
As you may have gathered, there are some pretty stark differences between foam mattresses and spring mattresses.
Naturally, this will result in a different sleeping experience.
So how exactly do foam mattresses and spring mattresses differ in terms of their feel and sleeping comfort?
Let's find out. 👇
We'll disregard all the cheaper foam mattresses on the market as we really don't want you to have a terrible night's sleep.
So let's consider what the best foam mattresses, like memory foam and latex mattresses, feel like.
In general, foam mattresses:
These properties make foam mattresses an excellent choice for anyone with orthopaedic concerns, couples, people who want more warmth, and slide sleepers. 👍
As foam mattresses are generally softer, they allow for more sinkage.
This is particularly important for side sleepers, who need to sink into the foams a bit more deeply for optimal spinal alignment.
On the downside, heavy-weight sleepers or those of a larger build can often sink in too deeply.
If you sleep on your stomach or back, you should be especially wary of the hammock effect. 🏖
This puts a lot of strain on the spine and can cause back problems.
But, of course, there are also firmer foam mattresses available, like the Nectar mattress.
We explore mattress firmness in more depth further down.
| Suitable for: | Not suitable for: |
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As above, we'll disregard cheaper spring mattresses and only focus on the features of the best spring mattresses, like pocket sprung mattresses. 🌀
In general, quality spring mattresses:
Spring mattresses are a great choice for people who need more support and enjoy a cooler sleep. ❄️
They're also well suited to heavier-weight people, back sleepers, and stomach sleepers.
But:
A very lightweight person may not sink deeply enough into a spring mattress when lying on the side.
This can lead to neck and shoulder pain.
In this case, a slightly softer mattress would be a better choice.
You can also opt for a softer to medium-firm hybrid model, like the Simba Hybrid.
This mattress in particular works well for lighter-weight sleepers.
| Suitable for: | Not suitable for: |
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Foam and spring mattresses are available in many price ranges.
Cheaper foam mattresses and open coil mattresses, like the IKEA foam mattresses or IKEA spring mattresses, are generally quite affordable - but they're also not as comfortable and won't last as long.
We would not recommend these. 😏
High-quality memory foam mattresses or pocket sprung mattresses are generally more expensive, but you can get some great value-for-money deals.
On average, pocket sprung or hybrid mattresses are more expensive than all-foam mattresses.
Most high-quality memory foam mattresses, like the Nectar mattress, will set you back between £400 and £700 for a double.
But:
Pocket sprung mattresses can actually be more cost-effective as they're likely to last you a long time.
A decent hybrid or pocket sprung model, like the DreamCloud, should set you back at least £500 - £1000 for a double. 💷
Bed-in-a-box mattress brands frequently offer sales and promotions. 🥳
This means you can get the best memory foam mattresses and hybrid mattresses at an even better price!
We collect all the best coupon codes for you and display them on our discounts page.
Buying a new mattress is never easy, regardless of whether you're buying a new foam mattress or a new spring mattress.
To help make things easier, we've come up with a list of key criteria. 📝
Make sure you consider these aspects before hitting that checkout button, and you should be good to go.
The importance of a high-quality mattress cannot be overemphasised.
After all, the quality of your mattress directly affects the quality of your sleep!
And we all know that you can't function optimally on poor sleep. 🥺
This doesn't mean you have to be sleeping on a Tempur mattress.
You can get many excellent mattresses at great prices!
Sleep Hero favourites include the Simba Hybrid and the Brook + Wilde Lux mattress. 🥰
B+W LUX: 52% OFF WITH "WOW52"£ 335.52
The best way to determine the quality of a mattress is to look at density and spring count.
If you're looking to buy a foam mattress, you need to consider the density of the bed.
Density refers to how much foam was used for one cubic metre. 🧊
The rule of thumb is this:
The higher the density, the higher the quality of the mattress.
Higher-density mattresses also tend to last much longer.
You can use the table below as a rough guide to density & lifespan:
| Density in kg/m³ | Quality indicator | Expected lifespan |
| Under 30 | Inferior quality | Up to 3 years |
| 30 - 40 | Average quality | 3 - 6 years |
| 40 - 50 | Good quality | 6 - 8 years |
| 50 - 60 | Very good quality | 8 - 10 years |
| Over 60 | Excellent quality | 10 years and more |
If you're looking to buy a spring mattress, you need to look at how many springs the bed contains. 🧮
The higher the spring count, the higher the quality of the mattress.
Mattresses with higher spring counts are also likely to last much longer.
Generally, a very high spring count means that the mattress relies on smaller springs, like micro-coils or mini pocket springs.
Aim to choose a mattress with an average of 1000 - 2000 springs for the double size. ✅
These will provide the best support and most comfort at a good price.
The Silentnight Eco Comfort, for example, offers outstanding value for money and has an average of 1200 pocket springs.
It's also made from recycled materials and is free from foam and chemical treatments, making it a great eco-friendly choice.
There is no one degree of firmness that's best for everyone. 😳
The right degree of firmness depends on your personal preferences.
But, factors like your body type, weight, and preferred sleeping position also matter.
Medium-firm mattresses are a good option for most people.
To help you make a better choice, we've developed the Sleep Hero firmness scale.
We rate the mattresses we test on a scale of 1 to 10, where 1 is the softest and 10 is the firmest.
The right mattress size for you will depend on your needs and your budget.
Standard UK mattress sizes include:
If you're sharing your bed with a partner, we'd recommend choosing at least a double mattress or king-size mattress. 👩❤️👨
Emperor bed-in-a-box mattresses are very rare.
The only one we've found is the Otty Hybrid!
If you need help choosing the right mattress size, take a look at our mattress size guide.
Most mattresses bought online come with free delivery & returns.
But, some online retailers don't offer this.
Double-check the delivery & return conditions before hitting the checkout button to ensure you don't incur extra charges!
The bed-in-a-box mattresses we recommend all come with risk-free trial periods.
These give you the chance to try out the mattress in the comfort of your own home.
It may take a few weeks to get used to a new mattress, especially if you're jumping from a spring mattress to a memory foam mattress or vice versa.
This is why trial periods are so important. 🤓
The industry standard is 200 days, but some brands like Nectar and DreamCloud even offer 365 days!
We always recommend choosing a mattress with a good trial period & free returns.
That way, you can return the mattress hassle-free and receive a full refund if you're not fully satisfied. 💰
High-quality, high-density mattresses should come with a 10-year guarantee.
But, some cheaper mattresses may only come with a 5-year warranty.
This doesn't mean the mattress will be unusable after five years, but it does mean that it may deteriorate more quickly.
Some mattress brands also offer quite strict guarantee conditions.
Eve, for example, requires you to unpack your mattress within one month of receiving it!
There is no right or wrong, but foam mattresses and spring mattresses are best suited to different types of people.
We would not recommend foam mattresses to heavier-weight back and stomach sleepers or very heavy sweaters.
One of our favourite foam mattresses in the UK is the Nectar memory foam mattress.
It comes with a 365-day trial period, so it's a great risk-free option if you want to give foam mattresses a try.
One of our favourite spring mattresses is the Simba mattress, a hybrid model that features both foams and springs.
Regardless of which mattress you choose, make sure it comes with a risk-free trial period.
That way, if you're not happy, you can simply send it back for a full refund. 💷
Memory foam is often used in orthopaedic mattresses.
This is because of the body-contouring benefits of the so-called memory effect.
When you apply pressure to memory foam, it leaves an imprint that will remain visible for a few seconds.
This memory effect allows the memory foam to adapt remarkably well to the body, resulting in body-hugging comfort and support.
Pocket sprung mattresses also work well if you're struggling with back pain, but many people do prefer the contouring provided by memory foam mattresses.
If you're struggling with joint pain specifically, then we'd recommend opting for a memory foam mattress.
These tend to offer more cushioning and comfort than spring mattresses.
If you're sleeping on a spring mattress that's just a tad too firm, it's worth investing in a mattress topper.
Mattress toppers are thin layers of padding placed on top of your mattress.
Many mattress toppers are made of memory foam, and they are meant to make your firm mattress feel slightly softer.
It's always best to choose a mattress that requires minimal upkeep.
This means you only need to rotate them from head to toe and not flip them upside down.
In terms of upkeep, the two types of mattresses are relatively similar.
Spring mattresses tend to be a tad heavier, but some of the larger foam mattresses can also be quite heavy.
It's always best to ask a friend or family member to help you move the mattress if this is an area of concern.
We have an affiliate relationship with some manufacturers, where we receive a commission on sales if you click over from our site. This does not affect the purchasing price. In contrast: By using our discount codes, you'll get the best deal possible.
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