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The Filter — Jane Hoskyn
A good mattress improves your sleep, say mattress makers – and they would, wouldn’t they? But they’re right. The older I get, the more I know it. When I was 20, I could sleep anywhere: a friend’s floor, a sofa – even a phone box one night. These days, I won’t get a single one of 40 winks if I’m not lying on a decent mattress. Comfy but firm, cosy but breathable, and with lots of cool spots for my feet.
Today’s best mattresses promise all this and more. Pocket springs are still around, but they face stiff – well, medium-firm – competition from hybrid mattresses that combine springs and memory foam for the ideal balance of comfort and support.
Many of today’s trendiest brands don’t have showrooms, so you can’t usually try before you buy. Instead, these bed-in-a-box models come with generous trial periods – but you’re still buying blind. That’s why I’ve tested them myself to help you separate the dream buys from the nightmares.
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I, along with a panel of family members, tested 18 bestselling bed-in-a-box mattresses – including four in this latest update. The full rundown now includes six pocket-sprung models, three all-foam models and several bed-in-a-box hybrids (which combine springs with layers of memory foam), covering various degrees of firmness, features and price. Here’s how we got on with our top picks, including the one my dad gave up on and the one my niece didn’t want to give back.
The Otty Original Hybrid – our favourite mattress overall – is discounted by 10% with the code FILTER10.
Our favourite mattress for couples – the Simba Hybrid Pro – is currently 30% off in the brand’s bank holiday sale.
I’ve spent three decades testing products, from mattress toppers to heated clothes airers , so I’m professionally sceptical of manufacturers’ claims to magically improve our lives by buying their stuff. I also have a solid background in napping, insomnia and swearing at alarm clocks, so I welcomed the chance to sleep on the job.
First, I needed some sleepers. I wanted a broad range of feedback from people of varying sizes who sleep in various positions. I asked my dad (85), my niece (24), my sister and our husbands to join my mattress panel. We each spent at least a fortnight (and sometimes months) sleeping on an allocated mattress.
Before we divvied them up, my panel assembled to offer their first impressions. I asked them to sit, bounce and lie down on every test sample, alone and together. This enabled us to compare the mattresses side by side. I collected scores out of 10 for everyone’s assessment of firmness and other factors such as breathability, motion isolation and overall comfort, then worked out our average score for each mattress.
We then began the sleeping tests. To quantify sleep quality, I used the Pittsburgh Sleep Quality Index , which uses a questionnaire to assess factors such as how long it takes to nod off. I then added questions such as whether they experienced back pain or woke up in the night. Some of us also used our smartwatches to gather sleep-tracking stats.
I tested other factors on my own. I used dumbbells to measure how far each mattress sank under various weights, while an infrared thermometer and heat pad revealed how fast they could cool under a warm body. A glass of water on the surface gave an idea of how well a mattress would absorb the movement of a restless partner (motion isolation).
Environmental credentials were also a consideration. I gathered what information I could about each model’s materials, manufacturing processes, and its potential for recycling. I also checked verified reviews from paying customers and excluded any mattresses that received significant negative feedback for delivery and customer service.
The mattresses sourced for this article are being donated to two charities: Southampton-based poverty support group Scratch and Hampshire-based survivors’ advocacy organisation Stop Domestic Abuse .
To dive deeper in to my testing process, read how I tested mattresses for comfort, cost and sustainability
If you’re an average-size person who sleeps mostly on your side and occasionally on your back, then your ideal mattress is medium-firm. The upper layers of such mattresses – the Otty Original Hybrid and Simba Hybrid Pro , for example – are soft enough for immediate comfort and pressure relief, while the lower layers make you feel supported.
This balance of cushioning and support is important for spine alignment, as explained in our guide to the best mattress for back pain . “Medium-firm mattresses consistently come out on top in research into back pain,” says osteopath and sports coach Ian Greaves of Southampton Physio . “Comfort matters as much as support, and medium-firm beds strike a better balance than firm or soft types.”
However, there’s every chance you’re not average, so you may need something firmer or softer. Depending on your size, sleeping position, and propensity to aches and pains, you may feel more comfortable (and do your back more long-term good) on a mattress with a lower or higher firmness score than a standard medium-firm.
Generally speaking, the bigger you are, the firmer your mattress should be. A robust, relatively unyielding mattress such as the Sealy Elevate Emin Firm or Origin Hybrid Pro will give your back the extra support it needs.
Conversely, if you’re small, like me, you need cushioning for your pressure points (hips, knees, shoulders). This is especially important if you experience joint pain, which may be relieved by the soft, cradling sensation of a memory foam mattress such as the Tempur Pro Plus SmartCool or the Eve Wunderflip Premium Hybrid .
Side sleepers need cushioning, too, for the same reason. When you lie on your side on a too-firm mattress, your hips don’t sit low enough, and your lower spine curves up: a recipe for back pain. People who sleep on their back or front, though, may find that a firmer sleeping surface is just right.
The bed-in-a-box industry has upgraded mattress delivery for the era of apartment living, with companies such as Otty, Eve and Simba vacuum-shrinking their models for transport.
As a house-dweller who goes through mattresses as frequently as a normal person goes through tubes of toothpaste, I can confirm that getting a mattress up a flight of stairs is significantly easier when it’s shrunk into a box.
Not all mattresses can be delivered this way, however. The more conventionally constructed mattresses I’ve reviewed, including the Woolroom Standen Wool and the Millbrook Wool Luxury 4000, were delivered full-size. Mattresses that contain foam seem more likely to be delivered in bed-in-a-box format, but this isn’t always the case: the all-foam Tempur Pro Plus SmartCool was delivered full-size.
Are bed-in-a-box mattresses bad for the environment?
Vacuum-shrinking a mattress is essentially the same idea as squeezing winter duvets into vacuum storage bags – but on a bigger scale. It’s convenient, but it leaves you with a huge amount of plastic packaging that’s unlikely to be picked up with your recycling collection, which means a trip to the tip – unless you repurpose it as a dust sheet.
On the upside, vacuum-packing allows a single lorry to carry many more mattresses than traditional deliveries. Bed-in-a-box brands also tend not to have showrooms, so they offer lengthy home trials to help you decide whether your new mattress is truly right for you. My experience of this process has been fairly smooth, with Otty and Emma collecting mattresses and issuing refunds quickly.
Note that no delivery team took away my old mattress. Most will offer a recycling service for a fee of about £50, but this has to be organised at the time of ordering your new mattress. It also seems expensive given that my local council’s recycling team collects mattresses for £20.
Ultimately, when it comes to environmental considerations, the worst mattresses are those that are thrown out the fastest. Bed-in-a-box warranties typically cover 10 years, which is excellent. Just don’t void your guarantee by, for example, standing on the mattress or using an electric blanket (as foam can soften and even crack under too much heat).
It’s Black Friday all year round in mattress world. Bed-in-a-box companies seem to regard “sale” prices as the rule rather than the exception, and Simba , Emma and Dormeo have all been sanctioned by the Advertising Standards Authority for misleading marketing tactics.
There are genuine deals to be found, however. Search PriceRunner to view the price history of a model, while the free AnyTracker app is less quick but gives richer results, including alerts when your desired mattress meets your desired price.
Here are a few stats to help you sleep at night: the average mattress contains between 1.5 million and 10 million dust mites, depending on whom you believe. These mites feast on dead skin cells, of which you shed up to 40,000 a minute, and thrive on moisture, of which you leak about a pint a night. “Up to 10% of the weight of an old pillow could be made up of dust mite faeces,” say researchers from UCL . Sweet dreams.
Related: The best pillows in the UK for every type of sleeper, tested
To keep your mattress in as good a shape as possible, start with a good mattress protector and clean sheets, which you should change about once a week. A zip-off washable cover, as featured on many of our best mattresses, including the Otty Original Hybrid and Simba Hybrid Pro , is another key line of defence against grossness. Just make sure all covers are fully dry after washing, because any remaining moisture will lead to mould – and you really don’t want to share your bed with mould spores .
While all the covers are removed, get out the vacuum cleaner . Vacuum every surface of the mattress, including the bottom if it’s one-sided, and into any nooks and crannies. Now let it air for a while, with an open window if the weather allows. You could also hang your duvet out to air for a few hours. Just remember that while fresh air can help dissipate smells, it also lets in allergens, so it’s worth vacuuming your mattress again before you put all the freshly cleaned elements back together.
If there are no stains, a vacuum will be fine. For spills or accidents, blot up as much liquid as possible to stop moisture from soaking in. Fresh stains can be dabbed with a little cold water and washing-up liquid – avoid rubbing, as this can spread the stain. Upholstery cleaner is safe in small doses, but don’t use carpet cleaner, as it may damage your mattress. For odours, sprinkle baking soda over the surface, leave for several hours, then vacuum thoroughly.
For more, read our guide on how to clean your mattress
The Sleep Foundation and Bed Advice UK suggest that your mattress will need replacing every seven to eight years. “After that time, your mattress will have had around four bathtubs of sweat applied to it,” says Hannah Shore, head of sleep science at Mattress Online . “Dust, dead skin cells and other matter will also collect in the mattress, making it unhygienic.”
That may be true, but most of the mattresses we reviewed come with 10-year warranties, and two – the Woolroom Standen Wool and Origin Hybrid Pro – even stretch to 15 years. So what’s the deal? Surely it’s more environmentally and financially responsible to hang on to a mattress until it’s falling apart? Maybe, but studies suggest it’s not good for your health or your sleep quality.
The cocktail of bacterial goo that leaches into a mattress under the weight of at least one human every night eats away at its springs, fillings and foam. The result is a lumpy surface that loses its comfort and support. Support is key when choosing a mattress – without it, you’ll suffer all manner of maladies, including back pain, aching shoulders and poor sleep. One US study tracked a cohort of men and women with minor sleep-related pain, and whose beds were an average of nine-and-a-half years old. Switching to new, medium-firm mattresses resulted in “significant improvements” in their back pain and sleep quality.
The seven-year switch is not an exact science, though. Mattress durability varies widely, and some mattresses made using high-quality materials such as natural latex can have a lifespan of up to 20 years, according to UK mattress company Latex Sense. Rather than assume your mattress will need replacing in seven years, look out for some tell-tale signs.
Sagging and failing springs are the most obvious. Others are that you wake up sneezing, feel your partner moving in bed more than you used to, and feel the bed giving way when you sit on the side. “One of the best signs is that you sleep better elsewhere,” says Shore. “If you sleep significantly better in a hotel bed, it’s probably a sign that your mattress at home needs replacing.”
A few provisos, though. One thing I’ve learned from sleep-testing more than a dozen mattresses over the years is that a new bed can mess up your sleep for the first couple of nights, especially if you’re used to a much softer surface. Your body needs to adjust. Bear in mind that even the firmest foam layers soften over the first few months, so give your new bed a chance – and take advantage of free trials if you don’t get on with it.
The road to environmental hell is paved with old mattresses. According to the latest fly-tipping action plan from Keep Britain Tidy , we throw away more than 5m mattresses annually, with only a quarter being recycled. The Furniture Recycling Group is even more gloomy, claiming that 8.5m mattresses go to landfill every year.
Most councils run a bulky waste collection service, but it’ll cost you (about £20 a mattress outside London; perhaps more than double that in London), and you may have to book well in advance. What’s more, your council-collected mattress will probably end up in landfill.
There are ways to keep your old mattress out of the waste mountain, though. Here are a few to try.
Most bed brands will collect and recycle your old mattress, although this service is often only available if you buy a new mattress from them. It gets pricey, too – a problem that the Keep Britain Tidy report blames on a widespread “lack of specialist equipment”.
Here’s a quick guide to prices at the time of writing, with links for more details:
We’d like to see more companies following the lead of Panda , which doesn’t charge a penny to recycle your old mattress if you buy a new one from it (otherwise, it costs £50).
If you can squeeze your old mattress into (or on top of) your car, it’s worth checking the Recycle Now website to find a local recycling facility that’ll take it. You could also investigate Dunelm’s mattress and furniture recycling scheme , which works with Clearabee to recycle mattresses, although collection prices are significantly higher than those from mattress brands.
If – and this is really important – your mattress is in good condition, you could give it to charity. Dunelm’s mattress and furniture recycling scheme also works with the British Heart Foundation to collect unsoiled mattresses and other furniture for free. Look for local organisations, too: my test mattresses go to hardship charity Scratch in Southampton. You may also be able to find a taker via platforms such as Freecycle and Buy Nothing .
Waste-to-energy skips convert rubbish, including mattresses, into electricity or heat through incineration. You may have to pay a fair amount to hire one, but if you’re having a household clearout or renovation, it’d be well worth finding.
For more on sleeping in style and comfort from the Filter:
• The best duvets in the UK for every season and sleeper
• The best pillows for every type of sleeper
Jane Hoskyn is a consumer journalist and WFH pioneer with three decades of experience in rearranging bookshelves and “testing” coffee machines while deadlines loom. Her work has made her a low-key expert in all manner of consumables, from sports watches to solar panels. She would always rather be in the woods
• This article was originally published on 6 February 2025. Reviews published in the Filter may be periodically updated to reflect new products and at the editor’s discretion. The date of an article’s most recent update can be found in the timestamp at the top of the page. This article was last updated on 26 August 2026; the Nectar Classic memory foam, DreamCloud Hybrid, Premier Inn Mattress 2.0 and Sleepeezee Dual Seasons Deluxe were added after testing, and prices were updated throughout.
Today’s best mattresses promise all this and more. Pocket springs are still around, but they face stiff – well, medium-firm – competition from hybrid mattresses that combine springs and memory foam for the ideal balance of comfort and support.
This report is published with credit to theguardian.com. Full available text from the wire is above. Read on theguardian.com →
Source: theguardian.com · Jane Hoskyn. Published 26 Aug 2026, 11:11 am.
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