🇬🇧 United Kingdom · Memory foam vs All Foam

Ergoflex 5GvsStudio by Silentnight

Which one is best for you? Ergoflex 5G vs Studio by Silentnight - 2026 comparison by Vs Mattress

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Ergoflex 5GUp To 50% OffStudio by SilentnightCheck current deal.

Ergoflex 5G

by Ergoflex · Memory foam

Up To 50% Off

10 · 30-night trial

Studio by Silentnight

by Silentnight · All Foam

Check current deal.

5 · 60-night trial

Pricing by size

Ergoflex 5G

Single£770

Double£966

King£1,055

Super King£1,175

Studio by Silentnight

Single£399

Double£599

King£699

Super Kingn/a

Essential information

	Ergoflex 5G	Studio by Silentnight
Type	Memory foam	All Foam
Launched	2006	2008
Brand	Ergoflex	Silentnight
Made in	–	United Kingdom
Unique points	One of the oldest mattress in a box brands in the UK, the Ergoflex 5G comprises of: 9cm of genuine High Density Visco Elastic Memory Foam A unique Cool-Sleep airflow system perfectly designed for the UK climate A superior base layer for support and longevity of performance All combined with our luxurious TENCEL® outer cover for unrivalled comfort.	3-Layer Foam Construction: Gel infused comfort layer. State-of-the-art memory foam. High density Studio Flex foam core.
Video	The Ergoflex® 5G Mattress	sleepunique® - take the test for perfect rest

Certifications & trial

	Ergoflex 5G	Studio by Silentnight
OEKO-TEX®	Yes	No
CertiPUR-US®	Yes	No
Certifications	CertiPur-US®, OEKO-TEX®	–
Other certification info	–	Forest Stewardship Council (FSC)
Sleep trial	30 nights	60 nights
Warranty	10	5
Free shipping	FREE	FREE
Free returns	YES	–
Pay later	Yes	Yes
Delivery info	For the vast majority of customers we offer next-day delivery completely free of charge. If your required item is in stock, we can usually deliver within 24 hours from the point that you placed your order. (If ordered Monday to Thursday before 14:00)	Once you've decided on the Studio mattress that's right for you, you can sit back, relax and wait for it to arrive. You won't be waiting long though with our speedy delivery service. It'll arrive cleverly rolled and boxed, so all you need to do is pop off the packaging, leave it to settle for 24hrs in a well ventilated room for optimum freshness and flatness, then give it a test drive.Please note: the super king mattress will be delivered flat and on a standard delivery lead-time

Firmness & feel

	Ergoflex 5G	Studio by Silentnight
One firmness fits all	Yes	No
Select your firmness	No	No
Adjustable firmness	No	No
Half and half firmness	No	No
Flippable / reversible	No	No
Firmness info	The Ergoflex 5G mattress was meticulously developed to provide an optimum level of support and find that it performs for the vast majority of people, regardless of body type and sleeping style. This one "perfect" mattress, rated medium-firm uses the highest-quality materials available.	–

Construction & materials

	Ergoflex 5G	Studio by Silentnight
Layers	9cm of genuine High Density Visco Elastic Memory Foam, A unique Cool-Sleep airflow system perfectly designed for the UK climate, A superior base layer for support and longevity of performance, All combined with our luxurious TENCEL® outer cover for unrivalled comfort.	Gel infused comfort layer, State-of-the-art memory foam, High density Studio Flex foam core.
Cover	Our TENCEL® outer cover provides a luxurious, natural and breathable surface which can be removed and machine washed whenever you wish. This combined with our premium foam means that you can be sure of a comfortable sleep night after night.	We all love the feeling of slipping into a fresh, clean bed so you'll love our cosy touch, Allergy UK approved, anti-allergy cover. It wraps your mattress in an ever so comfy soft-touch knitted finish that will lull you to sleep every night - and make sure you wake up refreshed and ready to go every morning!
Machine-washable cover	Yes	No
Ergonomic handles	No	No
Comfort	Ergoflex comparable only to TEMPUR® is technically more advanced and superior in performance to every alternative both in this price range and beyond. As a result it is renowned for delivering deep restorative sleep. It is recommended by Practioners for those that suffer from back pain, fibromyalgia, circulation problems and joint complaints or to those simply in need of a good night's sleep. The Ergoflex 5G consists of an unrivalled 9cms of open-cell 85kg/m³ high-density memory foam. Our unique Cool-Sleep airflow system encourages air to freely circulate thorough the mattress keeping you cool while you sleep. Our base layer provides perfectly weighted support for the upper layers and longevity of mattress performance.	Features Geltex inside to prevent overheating through the night. Sleep better, wake up brighter thanks to our unique gel infused comfort layer that comes with highly elastic Active Response technology, which creates an energised "bounce-back feeling" to assist easy movement though the night for an undisturbed sleep. This gives you more 'get-up and go' energy for a healthier, more active lifestyle.
Support	Our mattress is the only true high density memory foam mattress available. Designed to mould itself to the contours of your body it provides instant comfort, more support and better sleep. This confidence is matched by our customers making repeat purchases for additional mattresses time and time again. Our class-leading zero disturbance technology has been a distinctive feature for over 10 years. Promoting deeper, more restful sleep it reduces the likelihood of being woken by a restless sleeping partner. Indeed our ten-year guarantee is underpinned with confidence of a decade of success. Unlike other brands we know our mattresses stand up to our warranty claims - as we have done it in real life for over a decade.	The high density Studio Flex foam core in your mattress matches the comfort rating you choose and provides profiled support tailored to your body shape. And, even though it's lighter than traditional springs, it's just as resilient. So, whatever you get up to during the day, you're guaranteed a great night's sleep. State-of-the-art memory foam. Spreading your body weight and providing support where you need it, reducing the pressure where you can't. With your Studio mattress you won't sink in and any aches and pains are soothed away.
Posts	In Bed with England's James Haskell‍ Introducing our latest brand ambassador England Rugby and Wasps RFC star James Haskell, who… [Read more]	–

Size & weight

	Ergoflex 5G	Studio by Silentnight
Available sizes	Single, Double, King	Single, Double, King
Dimensions	Single depth: 23 cm	Single depth: N/A
Single weight (kg)	24	N/A
Double weight (kg)	37	N/A
King weight (kg)	40	N/A
Super King weight (kg)	–	–

FAQs

Ergoflex 5G

Is Ergoflex a firm mattress?

Yes, the Ergoflex mattress is known for its medium-firm feel, achieved through the use of dense foams. It is specifically designed to provide a supportive and comfortable sleeping surface. The dense foams used in the Ergoflex mattress contribute to its firmness level, offering solid support and aiding in proper spinal alignment. The medium-firm firmness of the Ergoflex mattress strikes a balance between comfort and support, making it suitable for individuals who prefer a slightly firmer feel while sleeping. It's important to keep in mind that firmness preferences can vary among individuals, so personal comfort levels may differ.

What is the weight limit for the Ergoflex mattress?

The weight limit for the Ergoflex mattress is recommended to be up to 18 stones in weight for an individual (approximately 114 kg or 252 lbs) or 30 stones for combined weight (approximately 190 kg or 420 lbs). This recommendation ensures the ongoing maximum performance of the mattress and its longevity of use. It is advised to adhere to these weight limits as a precaution to ensure optimal comfort and support while using the Ergoflex mattress.

How long does the Ergoflex mattress last?

The Ergoflex mattress is built to be durable and long-lasting, thanks to its high-quality materials. Ergoflex provides a 10-year guarantee, which has been tested and proven with real customers since 2006. Many customer reviews confirm the mattress's longevity, with users expressing satisfaction after using their Ergoflex mattresses for several years. It's important to remember that the lifespan of a mattress can vary depending on factors like usage, care, and personal preferences.

Studio by Silentnight

No FAQs yet.

Wrap up

Thank you for checking out this Ergoflex 5G vs Studio by Silentnight mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.

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