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  4. Sleepeezee Centurial 01 4500 Pocket Mattress
Sleepeezee Centurial 01 4500 Pocket Mattress
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Sleepeezee Centurial 01 4500 Pocket Mattress

FirmnessMedium
ConstructionPocket sprung

In shortBack sleepers get medium-feel pocket-spring support, wool and alpaca fillings, and sturdy edges. I'd skip it if you sleep on your side, especially at this price. Read the review


Reveal Offer Price and Go To Site
100-night comfort trial at Mattress OnlineConditions
Remedy
An exchange, not a refund
When
After 30 nights' use
Condition
Buy a mattress protector from Mattress Online with the mattress
Old mattress removal
£35
Delivery
Free; to the room of your choice £20

Checked on Mattress Online's site, 10 October 2026. Full terms at Mattress Online

Who is it best for? powered by SnoozeScore

In our experience, the materials and construction that go into this product can make it suitable for the following people.

What our reviewers found

Pros

Exceptional support with 4500 pocket springs

Natural wool and alpaca fillings for temperature regulation

Durable edge support

10-year guarantee

Made in the UK

Cons

Not suitable for side sleepers

High price point

Single-sided, reducing the lifespan compared to double-sided mattresses

Durability is the question to put to the retailer

The mattress has a impressive 4500 pocket springs, including both traditional and mini pocket springs. The traditional springs offer a robust support system that contours to your body, while the mini springs add an extra layer of comfort. The mattress is further enhanced with lavish British wool and alpaca fibres, natural insulators that help regulate your body temperature.

Benefits of the Materials Used

The wool and alpaca layers are not just plush; they're functional. Wool is a natural insulator, keeping you warm in winter and cool in summer. Alpaca wool adds an extra layer of softness and is highly wicking, making it ideal for those with sensitive skin or allergies. The pocket springs, both traditional and mini, offer a level of support and comfort that foam simply can't match.

Who the Product Might Suit

This mattress is a dream come true for back sleepers. The medium tension provides the support that back sleepers crave, while the deep comfort layer ensures that the mattress is not too hard. If you're someone who values a luxurious sleep experience and is willing to invest in it, this mattress is for you.

Who the Product Won't Suit

Side sleepers, you might want to look elsewhere. Mattress Online rates it medium, but one owner wrote that the springing is "too firm to compress at all under my weight (60kg)". Despite its deep comfort layer, this mattress may not provide the contouring you need for your hips and shoulders. Also, if you're on a budget, the high price point might be a deterrent.

What is the Firmness and Optimum Sleeping Position Based on the Firmness?

The mattress has a medium tension, making it ideal for back sleepers who need that extra lumbar support. Side sleepers might find it a bit too firm, even with the plush top layer.

About the Brand

Sleepeezee has been in the mattress industry for 100 years, a sign of their commitment to quality and innovation. They are known for their high-quality, traditional craftsmanship, making them one of the most trusted brands in the UK.

Final Thoughts

The Sleepeezee Centurial 01 4500 Pocket Mattress is a luxurious offering that combines traditional craftsmanship with modern comfort features. While it is strong on many areas, from support to temperature regulation, it's not a one-size-fits-all solution. Its medium tension and supportive springs make it a better fit for back sleepers, and its high price point means it's an investment. If you fit the profile for this mattress, it could very well be the best sleep investment you'll ever make.

How we reviewed the Sleepeezee Centurial 01 4500 Pocket Mattress

10+ years in the mattress industry26-point spec checkBenchmarked against 364 pocket-sprung mattresses3 buyer questions read219 price checks since Sep 2023

Drawing on over 10 years in the mattress industry, our team judged the construction, materials and firmness of the Sleepeezee Centurial 01 4500 Pocket Mattress point by point from its 26-point specification and Mattress Online's listing, and benchmarked it against 364 other pocket-sprung mattresses we track. We have checked its price 219 times since September 2023. How we review


Corrections

When we get something wrong, we fix it and say so here. All corrections

11 October 2026
We described this mattress as firm. The retailer grades it medium.

How does it feel?

Personalised feel depends on bodyweight. Adjust your weight below to get an indication of how the Sleepeezee Centurial 01 4500 Pocket Mattress may feel.

SnoozeScore

Still not sure if the Sleepeezee Centurial 01 4500 Pocket Mattress is suitable for you?

Answer 6 quick questions to see how well this mattress fits you, and which mattresses fit you better.

Price history

From £1,199 (Single) at Mattress Online

Choose your size
£1,699No change Read 13 Nov 2026 · excludes delivery
Shop King at Mattress Online

King price, tracked since 27 Oct

We have read the King at Mattress Online 17 times since 27 Oct 2026, and it has been £1,699 each time.

SizeLatest readingReadLowest readingOnTracking since
Single£1,19913 Nov 2026£1,19927 Oct 202627 Oct 2026
Small Double£1,49913 Nov 2026£1,49927 Oct 202627 Oct 2026
Double£1,49913 Nov 2026£1,49927 Oct 202627 Oct 2026
King£1,69913 Nov 2026£1,69927 Oct 202627 Oct 2026
Super King£1,94913 Nov 2026£1,94927 Oct 202627 Oct 2026

Prices exclude delivery. How we record prices: our mattress price report.

How it scores
of the Sleepeezee Centurial 01 4500 Pocket Mattress
Scored from the build: how this construction usually performs, compared with mattresses of a similar type and price.
Scored from the build: how this construction usually performs, compared with mattresses of a similar type and price.

Suitability

  • Back Sleepers 4.5/5
  • The amount of support offered from a mattress will vary depending on the firmness of the tension and the type of support layer used. Based on a person of average build.
  • Side Sleepers 3/5
  • If you sleep on your side you typically need a supportive tension that is not too firm, nor too soft. This is because your hips and shoulders need adequate sinkage.
  • Stomach Sleepers 5/5
  • Stomach sleepers need a reasonable amount of tension in the base support layer to adequately offer body contouring and help prevent aches and pains. Results will vary based on your build.

Performance

  • Breathability 4/5
  • Mattresses that feature breathable materials help promote airflow and keep you cool making for a more hygienic night's sleep.
  • Turning on mattress 5/5
  • Certain materials like memory foam can make it difficult to move about on the mattress while you toss and turn. Same too for pillow tops which can create a cloud like sensation which can make manoeuvrability challenging.
  • Stability 4/5
  • Depending on the type of support layer in place can have an impact on stability, edge to edge support and roll together prevention. Pocket springs of a firmer tension will have better stability than open coil soft tension, for example.

Ease of Use

  • Turning handles 5/5
  • Mattresses typically need to be rotated frequently and having turning handles can be massively beneficial, particularly in larger sizes which can become fairly heavy.

Odour

  • Initial Odour 4.5/5
  • Materials in mattresses, particularly memory foam and rolled bed-in-a-box mattresses can have an initial odour, this is typically short term and reduces considerably within 24 hours.
  • Long Standing Odour 5/5
  • Certain materials inside different mattresses can produce a small odour. Typically this is short term rather than long standing but there are minor exceptions.

Brand Rating

  • Overall Brand Rating 4.5/5
  • This is based on community driven customer reviews tied to product reviews and grouped together at a brand level to produce a score.
*Assumes average weight. Suitability is dependent on body type, so check your SnoozeScore above for a more tailored guide.
Radar analysis
of the Sleepeezee Centurial 01 4500 Pocket Mattress
Brand: Sleepeezee
Retailer: Mattress Online
Delivery Time: Excellent
Delivery Charge: Excellent
Customer Sentiment: Good
Guarantee: Excellent
Radar Analysis looks at the product, brand and retailer against base norms established within the industry and determines where the product sits by way of established performance metrics.

Reviews

4.33 owner rating from 3 reviews

Alex Jones
Verified by Mattress Online
5
Quite simply it's the most comfortable mattress I have ever slept on. it's have a soft comfort layer on the top but lots of support with the springs. Getting a good sleep, the only problem is getting out of bed in the morning!
C Elizabeth
Verified by Mattress Online
3
You refer t a small double, firm mattress. What I bought, and have, is a king size, medium. It is rather disappointing. It was very comfortable at first. The wool topping has compacted quickly, leaving hollows. The 'medium' springing is too firm to compress at all under my weight (60kg) so I still have lumbar discomfort.
Brett
Verified by Mattress Online
5
Good night sleep both happy with the product it was this one or the 103 .

Questions and answers about the Sleepeezee Centurial 01 4500 Pocket Mattress

Common questions answered by our team first, then questions shoppers asked the retailer, with the retailer’s own answers.

Image of the post author
Common question
Is the mattress easy to care for?

Answer: The single-sided design makes this mattress easy to care for, there's no need to flip it, just rotate it top to toe every week for the first three months and monthly after that. Plus, it includes turning handles to assist with this process. Thank you for asking, Jamie
Image of the post author
Common question
What's the benefit of the mini pocket springs?

Answer: Mini pocket springs provide personalised comfort by adapting to your movement to distribute support effectively, they also decrease motion transfer for an undisturbed sleep. Good for those sharing the bed.
Image of the post author
Common question
Does this mattress help regulate body temperature?

Answer: Yes, the inclusion of wool and alpaca fibres in the fillings help regulate body temperature and wick away moisture, ensuring a fresher and more cosy sleep.

Videos about this mattress

Hand picked video that relates to the specifications of The Sleepeezee Centurial 01 4500 Pocket Mattress

Firm vs Soft Mattress
Firm vs Soft Mattress
By BedStar
What are Pocket Springs?
What are Pocket Springs?
By BedStar
The Sleepeezee Journey
The Sleepeezee Journey
By Sleepeezee
Mattress Online
Mattress Online
By Mattress Online

Guides this mattress is featured in

This mattress is listed in 3 of our guides because its build meets what each guide looks for. Each card says what that is.

  • Lighter sleepers guide

    Why it’s featured

    This guide lists soft to medium mattresses without a memory foam top, unless latex is there too, which a lighter body can settle into.

    Includes comment from a registered clinician
    Read the guide
  • Older sleepers guide

    Why it’s featured

    This guide lists medium and medium-firm pocket-sprung or hybrid mattresses with a springy top rather than memory foam, which are easier to turn on and get up from.

    Includes comment from a registered clinician
    Read the guide
  • Pregnancy guide

    Why it’s featured

    This guide lists soft-medium and medium pocket-sprung and hybrid mattresses, which suit side sleeping through pregnancy.

    Read the guide

Clinicians comment on the condition in each guide, not on individual mattresses.

Sources for this review

  • Our assessmentConstruction, materials and firmness judged by our team, from over 10 years in the mattress industry
  • Specification26 points from Mattress Online's listing
  • Buyer questions3 read
  • Price history219 checks since September 2023
  • BenchmarkCompared with 364 other pocket-sprung mattresses we track
  • Site-wideOur price tracker has logged 1,354,251 retailer prices since June 2019

Latest advice and guides → Your Questions Answered

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