Dormeo S Plus Memory Foam Mattress

Dormeo S Plus Memory Foam Mattress is rated 4.5 out of 5 by 197.
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Free Memory Foam Pillow

Comfort: Multi
Depth: 20cm
Offer Ends In
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From £299.99 Was £599.99 Then £0.00 Save £300.00

FREE Delivery in 21-28 Days

A mattress first - completely customisable personalised sleep. For the perfect night's sleep for you and your partner!

Dormeo S Plus Memory Foam Mattress Features:

  • Total Depth:
  • Comfort combinations:
  • Memory Foam Depth:
  • Octaspring Layers 
    Unique S-Shaped Layer

"The idea is absolute genius. If you and your partner have been locked in battle over the perfect mattress, I would definitely recommend that you give it a go."

Memory Foam

Supportive memory foam layer:

Visco-elastic pressure relieving material that moulds to your unique body shape for blissful comfort. It remembers its shape, returning to its original form night after night.

Octaspring Technology

Breathable Octaspring® technology:

Innovative memory foam springs proven to be eight times more breathable than traditional memory foam, move three dimensionally delivering supreme comfort and support.

Customisable Core

Customisable mattress core:

Smartly connected cores can be quickly and easily interchanged independently of one another offering a risk-free choice for couples with different sleeping preferences.

Climalite Silver Cover

Climalite silver cover:

The specially designed Climalite silver cover wicks away moisture keeping the mattress fresh, and keeping you cool and dry thoughout the night.

Sanitized Protection

Sanitized® protection:

Special anti-bacterial, anti-dust mite and anti-fungal protection creates a healthy and hygienic environment.

Dual Firmness Foam

Dual firmness Ecocell foam core:

Flippable mattress core allows you to choose the softer of firmer side to enjoy your perfect comfort.

Dual Personalised Comfort

Dual personalised comfort:

Customisable cores provide partners with their own personalised comfort on both sides of the mattress.

8x breathable

8 x more breathable:

The unique ventilation of Octasprings is more breathable than pure memory foam, the constant airflow always keeps the mattress cool.

Rolled Vacuum Packed Mattress

Delivered rolled and vacuum packed:

Vacuum-packed for greater hygiene, but also for a more eco-responsible way of delivery to help our planet.

3 Body Zones

Truly body zoned: 3 body zones:

3 zones of different strength and density Octasprings offers specific support to your head, shoulders, torso and legs.

S Shaped core

S shaped core:

Inspired by the human body, an S-shaped layer of Octasprings running through heart of mattress provides customisable support for your head/shoulders or hips/legs. Rotate the mattress to feel the difference..



For easy movement or rotation of your mattress.

Go One Better

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Experience cooling comfort and the cradling sensation of memory foam, with the Dormeo® S Plus mattress featuring unique patented Octaspring® technology. The S Plus is a mattress first - completely customisable personalised sleep! Make your sleep experience truly your own by choosing from a combination of different comfort and support levels thanks to a configurable S-shaped Ecocell core

No matter your preferences or how you sleep, the S Plus mattress can provide both individual sleepers and partners with their own great night’s sleep.

Unique S-Shape Layer

Inspired by the human body and the natural S-Shape of the spine, the S-Plus mattress is designed to provide unparalleled sleep comfort thanks to the innovative layer of Octaspring technology running through the heart of the mattress.

Complete Customisation

Based on 15 years of collaboration with engineers and research on the needs of more than 8 million customers, the result, the S Plus has been designed to be the first 100% personalised mattress offering over 30 comfort combinations*. 

1. Choose your Side

The smartly connected cores, personal to each side of the mattress, can be quickly and easily interchanged independently of one another making the S Plus the risk-free choice for couples with different sleeping preferences.

2. Choose your Comfort

Simply unzip the cover and flip your side of the mattress to choose between two between two unique Ecocell® foam densities. Either the softer side normally suited for side sleelpers, or the firmer side often preferred by back sleepers.

3. Choose your Support

Rotate your mattress core head to toe to find your preferred side of the unique S-shaped Octaspring® layer. Have the Octasprings closer to your neck and shoulders for more adaptability and more bounce, or simply rotate the mattress horizontally adding distance between the Octaspring layer and your neck and shoulders for more solid support under your shoulders.

Body Zoned Octaspring Technology

The Octaspring® is a next generation, patented sleep technology, which delivers up to 8x greater ventilation compared to traditional foam, offering a cooler, fresher night’s sleep, while providing incredible comfort and support.

Whilst the unique Octaspring® technology offers unrivalled breathability, the individual Octaspring® springs are arranged in different firmness levels, which create customised body support zones that are beneficial to correct spinal alignment for a better night’s sleep.

Next Generation Ecocell

Our uniquely breathable Ecocell® foam – the Dormeo® difference, encases the unique Octaspring® tube technology. Ecocell® is a next generation foam designed to be permanently elastic with a 3-dimensional cellular structure, providing efficient air circulation and support where you need it.

Anti-bacterial, Anti Dust Mite

A luxurious quick drying Climalite Silver cover tops off the S Plus, wicking away moisture to keep the mattress fresh, whilst the Clean Effect treatment delivers anti-bacterial, anti-dust mite and anti-static protection.


Single: W: 90cm x L: 190cm x D: 20cm

Double: W: 135cm x L: 190cm x D: 20cm

King: W: 150cm x L: 200cm x D: 20cm

Super King: W: 180cm x L: 200cm x D: 20cm

*Single mattress contains one configurable core and therefore offers less comfort combinations. 

Rated 5 out of 5 by from Comfy nights. My husband developed a problem with his back recently so we decided to review our mattress and thought a new one would help his problem. We saw the S plus mattress advertised on TV and thought it would be ideal for us as we have different preferences for mattress firmness and the S Plus was perfect for keeping me happy with a softer side and my husband with the firmer side. The choice of hip or shoulder support was an added bonus. The S Plus is so comfy and I can really feel the great lumbar support which helps so much with a good night's sleep. I hadn't realised just how uncomfortable our other mattress was. The discounted price at the time of sale made our purchase a bargain along with the reassurance of Dormeo's policy of full refund if we our not happy with our purchase.
Date published: 2020-08-10
Rated 5 out of 5 by from Great price After seeing the advertisement we decided to give the dormeo a try as they were offering a free trial with the choice of returning if not satisfied. After 2 months we can say that we can confirm that we have had the best nights sleep. We would truly recommend.
Date published: 2020-08-09
Rated 5 out of 5 by from Fabulous This is a brilliant mattress so comfortable and feels amazing, great nights sleep and can be flipped from soft foam to firmer foam and support for shoulders or hips depending on the way you turn the mattress.
Date published: 2020-08-09
Rated 5 out of 5 by from Just what we needed We bought this dormeo plus mattress about a month ago. We are so happy with the purchase. My Husband and I needed different firmness and this mattresses ticks all the boxes. Never had such a great nights sleep. I would definitely recommed this product.
Date published: 2020-08-08
Rated 5 out of 5 by from Best mattress ever We have never had such a good nights sleep and the backache has gone
Date published: 2020-08-08
Rated 5 out of 5 by from Excellent Very pleased great value, I have back problems but since using this mattress NO problems at all..
Date published: 2020-08-07
Rated 5 out of 5 by from So comfortable Was a bit weiry of getting a new mattress, but so glad I ordered the dormeo splus, it is so comfortable, it arrives all roll wrapped and allow it to settle once unwrapped, and that's it. Perfect.
Date published: 2020-08-03
Rated 5 out of 5 by from Very comfortable I brought this to try as my wife is disabled with her back and severe arthritis and she is very happy
Date published: 2020-08-03
Rated 5 out of 5 by from Very comfy Very pleased with the mattresses we bought. My son loves his.
Date published: 2020-08-02
Rated 5 out of 5 by from Superb comfort 4 beds in one Superb comfort the single bed is like 4 beds in one... highly recommend this as a Therapist to my clients Note if you are looking for a double don't as small..advise getting queen or king size amazing beds
Date published: 2020-07-31
Rated 5 out of 5 by from Double memory foam mattress I brought the mattress 2month ago it's amazing so comfortable.
Date published: 2020-07-31
Rated 5 out of 5 by from Finally a comfy mattress! Mattress is perfect in that I can have half my way round and hubby has his to suit him, no memory foam is a bonus as its nice and cool too (great for menopause)!!
Date published: 2020-07-29
Rated 5 out of 5 by from Dormeo S Plus king size I bought this last month and after a few days getting used to it I now have the most comfortable sleep for years. Well worth the investment
Date published: 2020-07-24
Rated 5 out of 5 by from Great comfortable mattress. Got the mattress last month and we have never slept so good .
Date published: 2020-07-06
Rated 5 out of 5 by from I love it! Received my Dormeo S Plus mattress two weeks ago and I absolutely love it. The mattress is so comfortable and feels like it moulds to my body, giving support everywhere it's needed. This probably sounds cheesy, but my only regret is not buying one sooner. I would highly recommend.
Date published: 2020-07-03
Rated 5 out of 5 by from Fantistc bed We have had this bed for about two months now and so far no problems excellent night's sleep can't get the wife out of it
Date published: 2020-07-03
Rated 5 out of 5 by from Brilliant mattress This is the most comfortable mattress that I have ever slept on, and the free Octasense pillow is also the best pillow that I have ever come across.
Date published: 2020-07-03
Rated 5 out of 5 by from Super comfy! Glad we picked this mattress perfectly fits the bill for a good nights sleep.
Date published: 2020-07-02
Rated 5 out of 5 by from Good to have soft side and other hard Is well comfy now took a few nights of moving it around getting used to different softness
Date published: 2020-07-02
Rated 5 out of 5 by from Perfect nights sleep I brought this month ago, couldn't wait to experience a comfortable nights sleep. Perfect nights sleep from the first night. After 3 nights all aches and pains from sleeping on my old matress are gone.
Date published: 2020-07-01
Rated 5 out of 5 by from Dormeo s plus For the first few nights I could not believe how uncomfortable the mattress was. All the reviews said how good they were. What they failed to say was that when you are 70 + your body needs to accustomise to any changes. So let me tell you now, after about a week of aches and pains, suddenly perfect sleep body had fully adjusted. This now the most comfortable bed I have ever slept in. You honestly won't regret purchasing one of these. Thank you Dormeo.
Date published: 2020-07-01
Rated 5 out of 5 by from Comfortable mattress - suited for two Ordered this at the begging of May and received it within the last couple of weeks (been a delay due to coronovirus issues). The mattress has taken a couple of weeks to get used as took time to work out which side/firmness/ support suited me. Comfortable mattress, arrived in perfect condition. My only thing I would like to mention is that this mattress appears better suited for a couple Sharing a bed (obviously), as a single person it has taken a bit of time to break in and can sometimes be a little uncomfortable as I am using it alone. Neither the less a great comfortable mattress but feel it is better suited to a couple who will sleep on both sides, little more difficult to get comfortable as a single person sleeping in the middle.
Date published: 2020-06-30
Rated 5 out of 5 by from Best mattress ever! I bought this a few months ago. I have the best sleep ever. Highly recommend this mattress. Will won’t regret it. So comfortable. Medium firm is perfect!
Date published: 2020-06-29
Rated 5 out of 5 by from Dormeo Very happy with my purchase.being able to change the mattress for myself and my wife own preferences to the hard or soft feeling is great. A very good mattress and highly recommended
Date published: 2020-06-29
Rated 5 out of 5 by from Perfect I’ve bought dormeo memory foam mattress in the past and always had a great nights sleep my last one after 5 years handed down to my teenage son as was still in great condition bought a silent night sprung mattress after 6 wks could feel the springs and wasn’t sleeping well so decided I’d get another dormeo and went for a deeper one this time so happy I did so comfortable and now I’m getting a great nights sleep hard to get out of bed now ,so soft and warm no feel of springs definitely recommend dormeo memory foam
Date published: 2020-06-29
Rated 5 out of 5 by from Very versatile mattress This mattress is perfect for me and my wife. My wife likes soft and I like firm. With this mattress we can have both! Great!! Strongly recommend this mattress.
Date published: 2020-06-27
Rated 5 out of 5 by from Former s plus mattress Only had it for 3 weeks and it has been the best thing I’ve ever bought. So comfortable Had 3 Good weeks of sleeping wish I had bought it before now
Date published: 2020-06-25
Rated 5 out of 5 by from Surprisingly comfortable Very impressed. I thought the octaspring idea and the flipping of the mattress might be a bit of a gadget gimmick, but I was surprised how I was able to tailor the bed to my preference. Took advantage of the 60 days sleep trial and it's a keeper!
Date published: 2020-06-24
Rated 5 out of 5 by from Paul Slept on this from day one and had to use any of the features like turning it around. So comfy
Date published: 2020-06-24
Rated 5 out of 5 by from Blissful nights We're so happy with this mattress it has really transformed our sleeping no more aches and pains. Sleeping longer and getting a better quality of sleep. Thank you.
Date published: 2020-06-24
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  • Comfort grade: Customised
  • Total depth: 20cm
  • 2cm memory foam
  • 2 x Interchangable cores 
  • Unique S-shape layer of Octasprings providing cool air flow
  • Warranty: 15 years
  • FIRA safety certified
  • Cleaning Instructions: Spot clean with a wet cloth, allow to dry before sleeping

Delivery of all Dormeo mattresses is FREE. We have partnered with specialist couriers to ensure the best possible delivery experience for our customers. We can deliver to all addresses within the UK, however there maybe extra charges for deliveries to the Highlands and Islands. We are sorry, but we cannot deliver to Gibraltar and Channel Islands. We charge £4.95 for delivery of orders under £80.

60 Night Comfort Guarantee with FREE Returns

Try the S Plus mattress in the comfort of your own home with our unique 60 night comfort guarantee. If you aren't getting the best night's sleep you've ever experienced, just return it to us within 60 nights of delivery and we'll refund your full purchase price completely free with no cost of return. Simply give our Sleep Experts a call and they will arange collection absolutely free!

15 Year Warranty

All Dormeo mattresses are made from the highest quality materials and manufactured to exacting standards. This is what gives us the confidence to place a full 15 year limited warranty on all our memory foam mattresses.

Eco Promise

At Dormeo we are continually looking at methods and materials consistent with our commitment to cause less impact on our environment. As an environmentally-conscious brand, we understand our responsibilities to the Earth's resources and are committed to recycling wherever we can. Vacuum packing our mattresses lowers CO2 emissions during transport.

Vacuum Packaged

Our Dormeo mattresses are vacuum packed, which enables easy transportation and excellent hygiene. Do not use sharp objects when opening the package as these may damage the mattress cover. After opening, your mattress will regain its normal shape in 15 minutes and be ready to sleep in up to 8 hours. The mattress may take up to 24 hours to reach its full depth.

Dormeo UK Limited trading as Dormeo, is registered in England and Wales no. 07440398. Registered address: Wye House, 376 London Road, High Wycombe, Buckinghamshire, HP11 1LH. Dormeo UK Limited is Authorised and Regulated by the Financial Conduct Authority as a Consumer Credit Firm under firm number 627302. Klarna Bank AB (publ) is Authorised by the Swedish Financial Services Authority (Finansinspektionen) and is subject to limited regulation by the Financial Conduct Authority. Registered office: Sveavägen 46, 111 34 Stockholm, Sweden. Corporation ID number: 556737-0431.