SleepSoul Space 4000 Pocket Orthopaedic Gel Mattress
from £509-£619.
£509-£619
Sizes tracked: Double, King Size, Super King
Sleep guide
Compare pocket-sprung mattresses, wool and gel foam options to find a firmer or more temperature-comfort-focused fit for warmer nights.
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Last verified: 2026-07-28
When you are choosing a mattress for hot sleepers, it helps to look at what sits inside the mattress rather than relying on marketing language alone. Pocket-sprung designs are a sensible starting point because the spring core can allow more airflow than dense foam-heavy construction, which is why they often come up in cooler-feeling mattress searches. In this comparison, the SleepSoul Space 4000 Pocket Orthopaedic Gel Mattress, Sleepeezee Luxury Ortho 1600 Pocket Mattress and Sleepeezee Wool Luxe 1200 Pocket Mattress each take a different approach to support and comfort, so the useful question is which construction and firmness label fit your sleep style, bed frame and budget best.
The comfort layer can change how a mattress feels as much as the spring unit itself. The SleepSoul Space 4000 uses a gel foam comfort layer, the Sleepeezee Luxury Ortho 1600 uses soft white fibres, and the Sleepeezee Wool Luxe 1200 uses wool. Those materials suggest different comfort trade-offs: gel foam may appeal to shoppers who want a firmer mattress with a temperature-comfort angle, fibres may feel a little softer and more cushioned, and wool is usually better treated as temperature-regulating rather than actively cooling. None of those materials guarantees a cooler night, so it is still worth checking firmness and overall feel as well as the headline material.
For this kind of purchase, the most useful extras are the ones that reduce buying risk. All three Mattress Online pages shown here mention a 100-night comfort trial and free delivery to most locations, which gives shoppers a practical way to test whether the feel is right at home. Price also matters: SleepSoul Space 4000 is listed from £509 to £619 and has a 4.7/5 rating from 32 reviews, Sleepeezee Luxury Ortho 1600 is listed from £381 to £727 with a 5/5 rating from 6 reviews, and Sleepeezee Wool Luxe 1200 is listed from £494 to £809 with a 5/5 rating from 2 reviews. Those ratings are positive, but the review counts for the Sleepeezee models are still small, so they should be treated as confidence signals rather than final proof.
A mattress can look appealing on paper and still be the wrong fit if the size or base compatibility does not work. The available product information does not include full depth measurements for these models, so shoppers should check the live retailer page for the exact depth of the size they want before buying. That matters for bed frames, toppers and bedding, and it also helps to think about sleep position: firmer pocket-sprung mattresses often suit people who want more support and less sink, while a more cushioned comfort layer may suit those who prefer a gentler surface. If you are comparing sizes, availability can also vary by model, so confirm the live listing before you decide.
General mattress guidance points in the same direction as these retailer examples: airflow, construction and material choice all play a part in how warm a mattress feels. Coil-based or pocket-sprung designs are often a sensible shortlist for hot sleepers because the spring core can support airflow, while foam-heavy beds can hold onto more heat depending on the build. The three examples here make that trade-off easy to see: SleepSoul Space 4000 Pocket Orthopaedic Gel Mattress pairs pocket springs with gel foam at £509 to £619, Sleepeezee Luxury Ortho 1600 Pocket Mattress pairs pocket springs with soft white fibres and a wider £381 to £727 price range, and Sleepeezee Wool Luxe 1200 Pocket Mattress uses a wool layer at £494 to £809. Cooling language still needs careful reading, though, because gel foam, wool and breathable-sounding covers may support comfort without proving active cooling. That is why the safest way to shop is to compare construction, firmness, price and trial terms rather than looking for one universal winner.
If your priority is the widest price flexibility, the Sleepeezee Luxury Ortho 1600 is the clearest value-range option in this set because it runs from £381 to £727 and comes in five visible size variants. If you want the most direct temperature-comfort angle, the SleepSoul Space 4000 is the standout because it pairs pocket springs with a gel foam comfort layer and sits at a firmer setting, although its entry price starts higher at £509. If you prefer a natural-material feel, the Sleepeezee Wool Luxe 1200 is the one to compare, especially if wool appeals to you as a temperature-regulating comfort layer. Whichever model you lean toward, check the live retailer page for the latest price, stock and size details before ordering.
from £509-£619.
£509-£619
Sizes tracked: Double, King Size, Super King
from £381-£727.
£381-£727
Sizes tracked: Single, Small Double, Double, King Size, Super King
from £494-£809.
£494-£809
Sizes tracked: Single, Small Double, Double, King Size, Super King
Last checked 2026-07-28. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
Use these related mattresses guides and reviews to turn the advice into a practical shortlist.
Pocket-sprung construction is a sensible place to start because the spring core can improve airflow, while wool and breathable fibres are often discussed as temperature-comfort materials. Gel foam can also be worth comparing, but it should be treated as a comfort-layer feature rather than a guarantee of a cooler night.
They often have an advantage because the spring core usually leaves more space for air movement than dense foam alone. That does not mean every pocket-sprung mattress will feel cool, though, so compare the comfort layer as well as the spring type and firmness label.
Wool is better described as temperature-regulating than as a guaranteed cooling material. On a mattress like the Sleepeezee Wool Luxe 1200, it is worth thinking of wool as part of the comfort story rather than proof that the bed will stay cool all night.
Not necessarily. The SleepSoul Space 4000 uses a gel foam comfort layer, which may be appealing if you want a firmer mattress with a cooler-sounding comfort layer, but it is not the same as proven active cooling.
Check the exact size, the mattress depth, and whether your bed frame or base can handle that height. The available product information does not list full depth measurements here, so the live retailer page is the right place to confirm the final fit before you buy.