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✦ Hypnos review · United Kingdom · British-made

Hypnos Mattress Review 2026: Is a Royal Warrant Bed Worth It?

We pulled together Which?’s brand survey, Furniture Village’s range details, John Lewis and specialist-retailer listings, the Royal Household’s own rules and 3,494 Trustpilot reviews — so you know which Hypnos to buy, where to buy it, and when to skip it.

By Kevin, writer & researcher16 min read🔬 Research-based, not sponsored

The short verdict

Is a Hypnos mattress worth it? For the right buyer, yes. Hypnos makes traditional British pocket-sprung mattresses packed with wool and other natural fibres, holds a Royal Warrant from King Charles III, and its wool-rich fillings are built to breathe — but you pay showroom prices, the trial depends entirely on the shop, and natural fillings settle over time. If you want a classic sprung bed that breathes, built by a company that has been making mattresses since 1904, Hypnos is one of the safest names in the UK. If you want the best value or the easiest returns, a boxed hybrid will serve you better.

On our best mattress UK rankings, the Hypnos Luxury Firm 2 is our best premium British-made pick. This page goes much deeper than that card: it explains what the Royal Warrant actually means, maps the confusing range of retailer-specific models, lists the real GBP prices we found at John Lewis and specialist shops, and lays out what each retailer will (and won’t) let you return.

4.2/5

Trustpilot UK

3,494 reviews, brand-level

1929

First Royal Warrant

Now held from King Charles III

10 yrs

Guarantee on most models

Some cheaper lines: 5 years

Our opinionated take in a few lines. Buy a Luxury Ortho Support No. 1 from John Lewis if you are a stomach or heavier back sleeper who wants a genuinely firm bed. Buy the Ortho Support No. 3 if you sleep on your back and want more wool and more springs. Buy the Supreme No. 3 only if you are a side sleeper with a big budget — it adds latex and over 2,000 springs in super king. Buy a Cotton Origins from a specialist if you want the Hypnos build for well under £1,500. And if you are allergic to wool, sleep on your side and like soft beds, or simply need a long home trial, skip Hypnos. Our editorial verdict for the brand’s mid-range models is 7.5 out of 10.

Who makes Hypnos mattresses?

Hypnos is a family-run British bed-maker based in Princes Risborough, Buckinghamshire, in the Chiltern Hills, where it has made beds since 1904. The company describes itself as making luxury beds since the Edwardian era and marked its 120th year in April 2025, when the Duke of Gloucester visited the factory to unveil a commemorative plaque, according to the Furniture Makers’ Company. It is now run by the fifth generation of the Keen family: Hypnos says chairman Peter Keen, the fourth generation, died in 2025, and his son James (chief executive) and daughter Sarah now run the business day to day.

That matters for a buyer in two ways. First, Hypnos is genuinely British-made: its beds are hand-built in the UK, which is increasingly rare once you look past the logo on many mattresses sold here. Second, Hypnos is a manufacturer, not a retailer. It doesn’t sell mattresses to you directly; it sells through department stores like John Lewis, national chains and independent bed shops, which is why prices, model names and trial terms vary so much from one shop to the next.

Hypnos also leans hard on sustainability. On its own site it calls itself the world’s first carbon-neutral bed manufacturer, cites a Planet Mark award in 2021 and, in 2025, Planet Mark certification as “Net Zero Committed”, with a 2040 net-zero target. We can’t independently audit those claims, but the material choices are consistent with them: wool and cotton rather than petrochemical foam, and recycled fibres in the bulk padding of several current models. Hypnos beds are also widely used in hotels, which is where many owners say they first slept on one.

The Hypnos Royal Warrant: what it actually means

Hypnos’s most famous selling point is its Royal Warrant, and it is worth understanding precisely what that is — and isn’t. The Keen family first received a warrant in 1929 from King George V. The company held a warrant from Queen Elizabeth II and is now appointed by His Majesty King Charles III as manufacturers of beds, mattresses and upholstery, according to Hypnos.

According to the Royal Household, a Royal Warrant is a mark of recognition for people or companies that have regularly supplied goods or services to the Household. To apply, a business must have supplied the Household for at least five years out of the last seven, including the twelve months before applying. Warrants are granted for up to five years and reviewed by the Royal Household Warrants Committee in the year before they expire. There are currently more than 800 Royal Warrant holders, and a warrant allows the holder to display the Royal Arms — it doesn’t grant exclusive supply.

  • What it tells you: Hypnos has supplied beds to the Royal Household continuously enough, and to a high enough standard, to keep being reappointed across four reigns. That is a real, long-running signal of build quality and service to one very demanding customer.
  • What it doesn’t tell you: which Hypnos model suits your body, how firm it is, or how it compares with a modern hybrid. A warrant is not a lab test, and it says nothing about the specific mattress in your local shop.
  • Our take: treat the Royal Warrant like a heritage hallmark. It makes Hypnos a low-risk brand, but it should not be the reason you pay an extra few hundred pounds for one model over another.

Hypnos mattress ranges in 2026: why the names are so confusing

If you search for “Hypnos mattress” you will see dozens of model names, and very few of them appear on the Hypnos website. That is not an error. Hypnos’s own site currently showcases five mattress collections — Wool Origins 10, Wool Origins 6, Orthos Support 6, Pillow Top Luxe and Legacy Origins VI — but most retailers sell their own exclusive Hypnos ranges under different names.

  • John Lewis sells the Luxury Ortho Support No. 1 (extra firm), No. 2 (firm) and No. 3 (medium/firm), the top-of-the-range Luxury Supreme, and the Luxury Wool range that its own staff reviewed.
  • Furniture Village sells two exclusive ranges, Hypnos Bespoke and Hypnos Luxury Firm, which it says are made in the UK just for the chain. The Luxury Firm 2 on our UK hub belongs to the second. When we checked on 27 October 2026, Furniture Village’s online Hypnos mattress listings showed only Bespoke models, such as the firm Bespoke Quartz at £999 for a double on sale (£1,129 afterwards), so ask in store for current Luxury Firm stock and prices.
  • Mattressman lists the Cotton Origins range, such as the Cotton Origins 6 with 1,000 springs.
  • Mattress Next Day lists 14 Hypnos models, from the Cotton Comfort and Wool Ortho to the Pillow Top Aurora Deluxe, Majesty Ortho Sublime and Wool Origins 6.

The ladder shows the practical upshot. The same brand stretches from a few hundred pounds on sale to almost £3,800, and the cheapest options carry very different specs from the most expensive. Exclusive names also make like-for-like price comparison almost impossible, which suits retailers more than it suits you. The way round it is to compare three numbers on any listing: the spring count for the size you want, the weight or type of natural filling, and the tension (extra firm, firm, medium/firm or medium). Two models with near-identical numbers are effectively the same bed, whatever the label says.

A note on “Orthos”, “Ortho” and “Pillow Top”: Hypnos’s own Orthos Support 6 collection and John Lewis’s Luxury Ortho Support range are firm-support lines aimed at people who want a classic orthopaedic feel, while Pillow Top models add a stitched-on comfort layer for a softer surface. If a pillow top is what draws you to Hypnos, compare it with the boxed alternatives in our best pillow top mattress guide first.

What’s inside a Hypnos mattress

Every current Hypnos mattress we checked is built the same way in principle: individually pocketed springs underneath, layers of natural fibre on top, and a single-sided, no-turn design. Hypnos calls its springs ReActive pocket springs; the Cotton Origins 6 listing describes them as six-turn springs, and John Lewis’s review of the Luxury Wool No.1 notes extra “Adaptiv” mini springs in the comfort layers. Depths run from about 26cm (Cotton Origins 6) to 28–29cm (John Lewis’s Ortho Support and Supreme models).

The fillings are where Hypnos differs most from boxed mattresses. The John Lewis Ortho Support models use British wool and recycled comfort fibres under a viscose cover. The Cotton Origins 6 uses cotton and Red Tractor-assured British wool — Mattressman says it contains roughly a whole sheep fleece, about 2.4kg. The top Luxury Supreme No. 3 layers British wool with natural Talalay latex, cotton, Himalayan allo and kapok. There is no memory foam in any of these specs.

Why does that matter? Wool and cotton wick moisture and let air move through the mattress, which is why Furniture Village describes the wool layers as “naturally breathable and cooling”, and why owners who run hot on foam beds often switch to sprung, natural-filled mattresses. The trade-off is that natural fillings compress over a mattress’s lifetime, and that is the main reason Hypnos and similar makers tell you to rotate their no-turn beds head to toe every season.

The spec chart answers the question every Hypnos shopper asks: what do you get for the extra money? Moving from the Ortho Support No. 1 to the No. 3 in king adds almost 400 springs and nearly triples the wool, from 3kg to 8.1kg, for £650 more. The Supreme No. 3 adds latex and more than 2,000 springs, though that figure is for a super king, so it is not a straight comparison. More springs generally means finer, more contoured support; more wool means more cushioning and better temperature control. Neither is infinitely better — beyond a point you are paying for luxury feel rather than spinal support.

Hypnos firmness: extra firm, firm, medium/firm — and why it matters

Hypnos sells most of its ranges in several tensions, and the brand skews firm. John Lewis’s Ortho Support range starts at extra firm (No. 1), Furniture Village’s Luxury Firm range is firm by name, and many Mattress Next Day models are labelled firm or medium firm. That suits a large slice of British buyers, many of whom grew up on “orthopaedic” beds and assume firm is best for their back.

The clinical evidence is more nuanced. In the Kovacs randomised trial, people with chronic low-back pain improved more on medium-firm mattresses than on firm ones, and Radwan and colleagues’ systematic review found medium-firm and self-adjusted surfaces best for comfort and spinal alignment. So for most adults, a medium/firm Hypnos is the safer starting point, not extra firm.

  • Stomach sleepers and heavier back sleepers: extra firm or firm (Ortho Support No. 1 or No. 2, Luxury Firm 2) to stop the hips sinking.
  • Average-weight back sleepers: medium/firm (Ortho Support No. 3, Cotton Origins 6). See our best mattress for back pain guide for the reasoning.
  • Side sleepers: medium/firm with a deep natural comfort layer, such as the Supreme No. 3; avoid extra firm.
  • Lighter sleepers: every tension will feel a step firmer to you, because you don’t sink into the springs. Choose one tension softer than you think.

John Lewis’s own tester summed up the medium/firm Luxury Wool No.1 nicely: “firm, but it’s also like a hug.” That combination — firm springs, soft natural surface — is the classic Hypnos feel. If you are unsure how the labels translate, our mattress firmness guide explains the scale, and our best firm mattress guide compares firm Hypnos models with boxed alternatives.

What Which? and expert reviewers say about Hypnos

Hypnos gets much less independent testing than the boxed brands. The mattress-review outlets that test Simba, Emma and Panda every year rarely review showroom beds, because the model names change from shop to shop. The evidence comes mainly from Which?, retailer testers and owners.

  • Which? previously listed lab results for the Hypnos Luxury Firm 2 from Furniture Village and the John Lewis Luxury Wool No2. Both listings have since been withdrawn: on 27 October 2026 the Luxury Firm 2 page returned a 404 and Which?’s Hypnos brand page showed no tested models. We no longer rely on those results, including the temperature rating we used to quote.
  • Which?’s brand survey (October 2025, 3,597 respondents) includes Hypnos with 167 owners — more than Vispring (61) or Simba (106). The brand scores are locked, but Which? says the full table ranged from 73% to 81%, so the gap between the best and worst brands is narrow.
  • John Lewis’s Tried & Tested review of the Luxury Wool No.1 gave it five stars, praising the hotel-like sleep and the warmth on cool nights, and noting that it is heavy and needs rotating.

We would like a full independent lab score for a current John Lewis or Hypnos-branded model, and we will add one if Which? or another tester publishes it. For now, the consistent expert view is clear enough: Hypnos mattresses are well made, use breathable natural fillings, and suit people who like a firm sprung bed — with the caveat that natural fillings settle and the brand is expensive for what a spec sheet shows.

Hypnos mattress reviews from owners

Owner ratings for Hypnos are good overall but polarised, and the reasons are instructive.

On Trustpilot UK, Hypnos scores 4.2 from 3,494 reviews. Sixty-five per cent are five-star and another 6% four-star, so a clear majority are happy. But 21% are one-star, and very few people sit in the middle. Positive reviews focus on comfort, sleep quality and build — one owner simply wrote: “Best bed/mattress I have ever slept on.” Negative reviews concentrate on mattresses that feel too firm, dips or sagging, hard tufts, and frustrating returns or warranty claims. As one put it: “We went for a Hypnos due to it being a well-known brand, but sadly never again.” Hypnos replies to 66% of negative reviews, which is better than many brands.

On retailer sites, product-level ratings are higher. John Lewis shows 4.5 from 33 reviews for the Ortho Support No. 1 king, 4.4 from 13 for the No. 3 king and 4.3 from 13 for the Supreme No. 3 super king. Mattressman shows 4.9 from 21 for the Cotton Origins 6. These samples are small, but they come from verified buyers of specific models rather than a brand-wide mix.

Read the complaints carefully, because they fit a pattern. Trustpilot reviewers describe sagging on no-turn models after several years and, occasionally, dips within weeks. With natural fillings, some early body impressions are normal and expected — it is the wool and cotton settling to your shape — and rotating the mattress regularly slows it down. Genuine spring failure is rarer. The complaints about returns, meanwhile, are mostly about retailer trial rules rather than the bed itself, which brings us to where to buy. Our mattress lifespan guide explains how long sprung beds really last.

Hypnos mattress prices: what you should pay

Hypnos is premium, but not uniformly so. These are the list prices we found in October 2026:

  • John Lewis Luxury Ortho Support No. 1 (extra firm): £1,399 small double or double, £1,699 king, £1,999 super king; £2,249 for a king zip-and-link.
  • John Lewis Luxury Ortho Support No. 3 (medium/firm): £2,099 small double, £2,349 king, £2,849 super king.
  • John Lewis Luxury Supreme No. 3: £3,799 super king.
  • Furniture Village Bespoke Quartz (firm): £999 for a double on sale, £1,129 after the sale. The Luxury Firm 2 from our UK hub wasn’t priced online when we checked, so get a written quote in store.
  • Mattressman Cotton Origins 6: £1,205, or about £1,024 with a site-wide code.
  • Mattress Next Day: sale prices from £449 for the Cotton Comfort (RRP £658) up to £2,099 for the Wool Origins 6.

For context, Simba lists its Hybrid Pro at £1,399 for a king, and Silentnight’s Comfort Breathe 1200 Pocket costs £499 for a double direct. A mid-range Hypnos king therefore costs roughly what a top boxed hybrid does, and a top-end Hypnos costs two to three times as much. Make sure your sheets fit too: a UK king is 150 × 200cm, and Hypnos’s deeper models need deep fitted sheets — our UK mattress sizes guide has the full chart.

Specialist retailers discount Hypnos far more than department stores, by 15–33% against RRP on the Mattress Next Day listings we checked. John Lewis prices tend to be steadier but come with the Hypnos comfort trial on many listings. Our best time to buy a mattress guide covers the UK sale calendar; January and Black Friday are the strongest months for showroom brands.

Where to buy a Hypnos mattress

Because Hypnos sells only through retailers, where you buy decides your price, model names, delivery and — crucially — your trial. Here is how the main routes compare.

John Lewis is the default for most buyers. You get exclusive Hypnos ranges, clearly published spring counts and wool weights, a 10-year guarantee, and on many listings the Hypnos 60 Night Comfort Trial, subject to its own terms. Standard delivery is £19.95. Be aware that John Lewis’s ordinary change-of-mind return for these mattresses only applies within 30 days if the mattress is unopened, unused and still sealed — the comfort trial is your only route once you have slept on it.

Specialist online retailers such as Mattressman and Mattress Next Day are usually cheapest. Mattressman’s 60-night trial on the Cotton Origins 6 is an exchange, not a refund: you request it between nights 30 and 60, pay a £50 exchange fee, and must have bought a mattress protector with your order. Mattress Next Day advertises a longer trial on its mattresses, but its wording was inconsistent when we checked, so confirm the terms for your exact Hypnos model before you pay.

Furniture Village and independent bed shops let you lie on the mattress before buying, which is the best trial of all for a showroom brand. Each sets its own return and trial rules, so ask for them in writing, and check whether the price includes delivery, disposal of your old mattress and carrying it upstairs.

Hypnos trial, returns and guarantee: the fine print

The Hypnos trial is retailer-dependent, which is the single biggest difference from boxed brands like Simba (200 nights) or Nectar (365 nights). Where a trial exists, the patterns we found are consistent:

  • It’s usually 60 nights — the Hypnos 60 Night Comfort Trial at John Lewis and Mattressman’s 60-night trial.
  • It’s usually an exchange, not a refund. Mattressman’s is exchange-only; John Lewis’s own 60-night mattress trial (for its own-brand beds) also refuses full refunds unless the mattress is faulty.
  • You usually can’t exchange in the first 30 nights, so your body can adjust.
  • A protector is usually mandatory, bought in the same order, and the mattress must be unmarked.
  • Fees apply. Mattressman charges £50; John Lewis’s own-brand trial charges £19.95 collection and £39.95 recycling.

The guarantee is simpler. Every John Lewis and Mattressman Hypnos listing we checked carries a 10-year guarantee; Mattress Next Day says Hypnos mattresses carry either a 5- or 10-year guarantee depending on model. Like every mattress guarantee, it covers defects in materials and workmanship, not the gradual settling of natural fillings — and you must rotate the mattress and use it on a suitable base to keep it valid.

Hypnos vs Vispring vs Simba

These are the three names most UK shoppers weigh against each other: two heritage sprung brands and the best-selling boxed hybrid. Our UK buying guide ranks seven picks; here is the comparison that matters for Hypnos.

Hypnos vs Vispring: both are British, both build pocket-sprung mattresses with natural fillings, and both sell through showrooms and stockists. Vispring dates from 1901 in London and credits its founder with inventing the pocket spring; Hypnos dates from 1904 and holds the Royal Warrant. In practice the decision comes down to the model and price in front of you. Vispring prices are set by its stockists and we couldn’t verify a like-for-like king price, so get quotes for both in the same shop. Compare spring counts, filling weights and tension rather than heritage stories.

Hypnos vs Simba: these are very different beds. The Simba Hybrid Pro is a boxed hybrid with foam comfort layers, a 200-night trial and a 4.3 Trustpilot score from more than 62,000 reviews; Expert Reviews called it the most comfortable mattress it had tested. A Hypnos is a traditional, flat-delivered sprung bed with natural fillings and a shorter, retailer-set trial. Choose Simba for value, an easy return and a modern hybrid feel. Choose Hypnos if you want natural materials, sleep hot on foam, and are confident about the tension you like.

On a budget? Silentnight is the other UK-made sprung option at a fraction of the price, with a lifetime guarantee when registered direct and a 60-night exchange-only trial. And if you lean towards a boxed bed, the Emma review covers the cheaper hybrid end of the market.

Who should buy a Hypnos mattress

The matrix below turns the evidence into a quick decision by model. Green is the Hypnos we would choose for you; yellow works; pink means look elsewhere.

The pattern is straightforward. Hot sleepers are the clearest winners: wool, cotton and pocket springs breathe far better than dense foam, which is why owners who run hot on foam often switch to them. Back and stomach sleepers, especially heavier ones, are well served by the firm and extra-firm tensions that dominate the range — see our best mattress for heavy people for why firmer springs matter above roughly 100kg. Buyers who want British-made, low-foam beds will struggle to find a better-established name. And people who keep a mattress for a decade will appreciate the 10-year guarantee and robust spring units, provided they rotate it.

If you want to see how Hypnos ranks against the wider premium field, our best luxury mattress guide compares it with the top hybrids.

Who should skip Hypnos

Hypnos makes excellent beds with clear limits. We would steer you elsewhere if:

  • You want a long, refundable trial. Boxed brands offer 100 to 365 nights, often with refunds. Hypnos trials are typically 60 nights and exchange-only.
  • You are a light side sleeper who likes soft beds. The range skews firm; even medium/firm models may press on shoulders. A plush hybrid or pillow top suits you better.
  • You are allergic to wool or prefer to avoid animal fibres. Almost every current Hypnos model is wool-filled.
  • You won’t rotate your mattress. Natural fillings settle, and owners who skip rotation report dips.
  • You are on a tight budget. Silentnight or a boxed hybrid gets you most of the support for far less.
  • You need it up a narrow staircase. Hypnos beds arrive flat and heavy, not rolled in a box.

Everyone else — especially hot sleepers, firm-bed lovers and anyone who wants a traditional British mattress made to last — should shortlist a mid-range Hypnos, try the tension in a showroom, and buy where the comfort trial is clearly stated. For the full picture of UK options, go back to our best mattress UK rankings.

Hypnos mattress FAQ

Are Hypnos mattresses any good?

Yes, for people who like firm, traditional sprung beds. Hypnos is a British maker with a Royal Warrant, its mattresses use pocket springs and natural fillings, Furniture Village sells its Luxury Firm and Bespoke ranges exclusively with a 10-year guarantee, and the brand scores 4.2 from 3,494 Trustpilot reviews. The downsides are high prices, retailer-dependent trials and natural fillings that settle over time.

What does the Hypnos Royal Warrant mean?

It means Hypnos has regularly supplied beds to the Royal Household — at least five of the last seven years to qualify — and is appointed by King Charles III as manufacturers of beds, mattresses and upholstery. The family first received a warrant in 1929. It is a quality and heritage signal, not a lab test of any particular mattress.

Where are Hypnos mattresses made?

In the UK. Hypnos is a family-run company based in Princes Risborough, Buckinghamshire, where it has made beds since 1904. Its mattresses are hand-built using British wool and other natural fillings.

Does Hypnos offer a trial?

It depends on the retailer. John Lewis lists a Hypnos 60 Night Comfort Trial on many models, and Mattressman offers a 60-night exchange between nights 30 and 60 with a £50 fee. Trials are usually exchange-only, require a protector bought with the order, and don’t offer full refunds.

How much does a Hypnos mattress cost?

From about £449 on sale for entry models at specialist retailers to £3,799 for a Luxury Supreme No. 3 super king at John Lewis. A popular mid-range king, the Luxury Ortho Support No. 1, is £1,699 at John Lewis, and Furniture Village’s firm Bespoke Quartz was £999 for a double on sale in October 2026. The Luxury Firm 2 is priced in store.

Hypnos or Vispring: which is better?

Both are British pocket-sprung brands with natural fillings sold through stockists. Vispring dates from 1901 and credits its founder with inventing the pocket spring; Hypnos dates from 1904 and holds a Royal Warrant. Neither is better across the board — compare spring counts, filling weights and tension, not heritage.

Do Hypnos mattresses need turning?

Current Hypnos mattresses are single-sided no-turn designs, but you should rotate them head to toe regularly — John Lewis advises rotating with the seasons. Rotation helps natural fillings settle evenly and protects your guarantee.

How long does a Hypnos mattress last?

Hypnos backs most models with a 10-year guarantee against defects. Natural fillings will compress and form gentle body impressions over time, which the guarantee doesn’t cover, so regular rotation is the best way to make a Hypnos last its full decade.

Sources

Every number on this page traces back to one of these. Prices and ratings checked October 2026. See how we rate.

  1. 1.Furniture Village – Hypnos (exclusive Bespoke and Luxury Firm ranges, natural fillings, 10-year guarantee; checked 27 Oct 2026)Brand
  2. 2.Furniture Village – Hypnos Bespoke Quartz mattress (Firm, £999 double sale, £1,129 after sale; checked 27 Oct 2026)Brand
  3. 3.John Lewis – 60-night mattress trial termsBrand
  4. 4.Mattress Next Day – Hypnos mattresses (5 or 10 year guarantees)Brand
  5. 5.TrustpilotOwner reviews
  6. 6.Hypnos – Collections (Wool Origins 10/6, Orthos Support 6, Pillow Top Luxe, Legacy Origins VI)Brand
  7. 7.Hypnos – About Hypnos (family history, carbon claims)Brand
  8. 8.Hypnos – Royal WarrantBrand
  9. 9.The Royal Family – Royal WarrantsData
  10. 10.Furniture Makers’ Company – Duke of Gloucester visits Hypnos (120th year)Data
  11. 11.John Lewis – Hypnos Luxury Ortho Support No. 1, Extra Firm, KingBrand
  12. 12.John Lewis – Hypnos Luxury Ortho Support No. 3, Medium/Firm, KingBrand
  13. 13.John Lewis – Hypnos Luxury Supreme No. 3, Medium/Firm, Super KingBrand
  14. 14.John Lewis – Tried & Tested: Hypnos Luxury Wool No.1Expert review
  15. 15.Mattressman – Hypnos Cotton Origins 6Brand
  16. 16.Which? – Best mattress brands (Oct 2025 survey)Data
  17. 17.Which? – Hypnos brand page (no tested models listed, 27 Oct 2026)Lab test
  18. 18.Hotel Designs – Hypnos receives Royal WarrantData
  19. 19.Vispring – About usBrand
  20. 20.Expert Reviews – Simba Hybrid ProExpert review
  21. 21.Silentnight – Comfort Breathe 1200 Pocket (prices, trial, guarantee)Brand
  22. 22.Kovacs FM et al. Mattress firmness & chronic low-back pain, randomised trial. Lancet 2003;362:1599-604Study
  23. 23.Radwan A et al. Mattress designs, sleep quality, pain & spinal alignment: systematic review. Sleep Health 2015Study

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