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The Best Cooling Mattresses for Hot Sleepers

The Best Cooling Mattresses for Hot Sleepers

Regulating your body temperature during the day is pretty easy. However, at night, things can become more complicated. And if you suffer from hot flushes, night sweats, or simply prefer a cooler sleeping environment, just opening a window or throwing off the covers doesn’t cut it. So, you need to look at cooling mattresses.

Getting too hot at night can interrupt your sleep cycle, leading to poor quality sleep. Over a prolonged period, this can start to affect both your physical and mental well-being. It’s important, especially in the summer, to do everything you can to regulate your body temperature at night. One thing that can really make a difference is a cooling mattress.

What is a cooling mattress?

A cooling mattress is referred to in the industry as a ‘passive cooling system’. It’s a mattress that’s designed to create a cooler, fresher sleeping environment. This is either through the use of gel layers, cooling materials such as bamboo, or increased airflow and ventilation.

The trick with a cooling mattress to achieve the best level of cooling is to combine it with simple measures such as opening a window to increase airflow. If you’re still suffering from hot flushes and night sweats, it may be a good idea to invest in a small portable AC unit or just a simple fan. This can move cooler air across you as you sleep.
The advantage of cooling mattresses is that they really are silent, and designed to help you regulate your body temperature for a more comfortable night’s sleep.

How do cooling mattresses work?

Cooling mattresses use a variety of materials to help keep the temperature down.

Gel foam

Gel foam is the most popular and commonly used mattress type for cooling mattresses. Tiny gel beads are inserted into a layer of memory foam. These gel beads stay cooler for longer, creating a more stable temperature even in hotter weather. Other mattresses use gel-infused foam rather than beads, but the effect is the same.

Gel foam is also used in gel mattress toppers and pillows, allowing you to adapt your sleeping environment to suit your needs. Some people only want that ‘cool side’ of a pillow to help them get to sleep. Others may need more help controlling their body temperature at night to avoid night sweats or disturbed sleep patterns.

Open-cell mattresses

These are memory foam mattresses that have been designed to incorporate air channels into the design. This allows a greater degree of airflow through the mattress. While a traditional open coil or pocketed sprung mattress will deliver better airflow, open-cell mattresses allow you to have all the comfort of a memory foam mattress. But, with more control over the ambient temperature.

Natural fibres

Using natural fibres such as silk, cotton and bamboo helps to create a cooler feel. Pure wool is also breathable, allowing the air to flow through the layers of fibres within the interior of the mattress. Team them up with pure cotton sheets and pillowcases and you have a much cooler sleeping environment. This is also naturally hypoallergenic.

What are the best cooling mattresses for hot sleepers?

There are two main groups of mattresses – pocket sprung mattresses and memory foam mattresses. Within these two groups are a variety of subsections, such as latex mattresses, hybrids (that are made from both layers of memory foam and have a sprung core), and ‘cool gel’ mattresses, which will be of particular interest to hot sleepers.

You’ll also need to factor in a few other points when you’re trying to choose the best mattress, such as how you sleep (on your back, your front or your side) and how big you are. Also, whether you share your bed with a partner, and the level of firmness and support you want.

You’ll also need to consider things such as whether or not you suffer from a bad back. If you want to know more about picking an option that suits you, take a look at our Guide to Choosing the Right Mattress.

Top cooling mattresses for hot sleepers in 2022

There are plenty of options when it comes to picking a cooling mattress. To help you decide, here are our top picks for the best mattress for hot sleepers in the UK.

1. Silentnight Cool Gel Memory Foam Mattress

If there’s one name that’s trusted by customers across the UK, it’s Silentnight. The Silentnight Cool Gel memory foam mattress represents real value for money and delivers exemplary comfort and support all night long.

The Reflex foam gives this medium firmness mattress plenty of bounce-back, while the Geltex® gel keeps things cool all night long. A premium quality mattress at a reasonable price of around £320. Comes boxed and rolled for easy transport. Available in a range of sizes from single to super king.

2. Spring King Oasis Cool Gel 3000 Mattress

A quality mattress for around £300. The Spring King Oasis mattress combines no fewer than 3000 individually pocketed springs with a Zero-G Cool Gel layer for a better and fresher night’s sleep. With edge-to-edge support and unique Zero-Gravity foam, this is a superbly comfortable medium-firmness mattress. It works hard to provide plenty of cushioned support.

With no roll-together and almost zero movement transference, everyone is bound to get a decent night’s sleep on this exceptional mattress.

3. Sleepeezee Cool Sensations 2000 Pocket Mattress

The luxury Sleepeezee cool sensations 2000 pocket mattress comes in at around £540 but is worth every penny. Developed by manufacturing giant Sleepeezee, it combines 2000 individually pocketed springs with a 70mm layer of memory foam for cushioned support. It’s that free-flowing core that makes all the difference.

The vented sides allow the air to pass through the centre of the mattress, keeping the temperature at optimum levels all night long. Not only does this result in a cooler sleeping environment, but it prevents mites, allergens and dust build-up. The result is a hypoallergenic mattress that’s ideal for allergen sufferers and those with respiratory or skin conditions.

4. SleepSoul Emotion 1000 Series Pocket Cool Gel Memory Mattress

Offering medium firmness and plenty of cooling gel built in, the SleepSoul Emotion 1000 is a revelation. Priced at around £200, it represents great value for money, too.

The Cool Gel layer keeps you fresh and cool. It’s sprung core with 1000 individually pocketed springs and side vents allows the air to flow through freely. The result is a fresher feel all night long. Comes vacuum packed and rolled for easy transport.

5. SleepSoul Paradise 600 Pocket Cool Gel Mattress

A budget-friendly option at under £200, this Sleepsoul paradise pocket mattress has 600 individually pocketed springs that allow the air to flow through naturally. It also has a Cool Gel layer. It comes vacuum-packed and rolled for easy transport. Available in a range of sizes from single up to king size

6. Bed Butler Haddington 1000 Pocket Cool Gel Memory Divan Bed

If you’re looking for the whole package, it doesn’t get much better than the Bed Butler Haddington memory divan bed. Exclusive to MattressNextDay, this luxury set comes with a larger divan bed base for more space, and a solid top for more support.

The softer mattress is gloriously snuggly, but with no compromise on support. A combination of 1000 individually pocketed springs and a layer of Cool Gel memory foam keeps things cool at night. For a little over £700, you have everything you need for a great night’s sleep, and plenty of extra storage too.

Luxury Gel Memory Mattress Topper

If you’re happy with your current mattress (or you’ve only just bought it), on a budget, or just want something to cool you down during the summer, a Cool Gel memory foam mattress topper is a great solution. Designed to fit on the top of your mattress, they’re cheap. They also come in a full range of sizes, and are easy to fit in seconds.

Sleepeezee Staycool Advanced Gel Pillow

For under £90 you can have that cool, fresh feeling against your cheek as you sleep. Staycool Advanced Gel pillows use the same technology as gel mattresses but in a convenient pillow. A great addition to your cool gel mattress or topper, and perfect for those hot summer nights.

What is the best mattress for hot side sleepers?

The position you sleep in is a key factor in deciding what type of mattress to choose. For side sleepers, you need a combination of support and cushioning to keep you in a ‘neutral position’ (where your spine is in line without dipping at the neck or hips). And a surface that prevents pressure points from forming.

If you take a look at our Best Mattresses for Side Sleepers Guide, you can find out more about what side-sleepers need to think about when buying a mattress.

A great choice for side sleepers is the Sleepezee cooler Supreme 1800 pocket mattress, from one of the best brands in the UK. It offers you:

  • A medium level of firmness, which provides exceptional support for side sleepers
  • Pocketed springs cradle your body, responding to movements and adjusting to ensure there’s no loss of support
  • A layer of Staycool® foam keeps things cooler while the chrome air vents let the air circulate throughout the mattress
  • A breathable knitted cover that’s soft, cool, and comfortable
  • Single-sided, so it’s easy to maintain.

What should you look out for with a cooling mattress?

Key features to look out for on a cooling mattress include;

  • Air vents – usually found built into sprung mattresses and hybrid designs, air vents are found at the side of the mattress and are open so that they allow air to flow into and out of the mattress. This creates a healthier environment too, as it prevents moisture build-up in the centre of the core, which can, in turn, encourage dust mites to take up residence.
  • Breathable cover – the use of natural materials such as wool and silk creates a softer feel, but it’s not just used for aesthetics. Natural materials are breathable and allow that all-important air circulation to flow through, giving you a cooler sleeping surface.
  • Gel layers – Cool-Gel layers incorporated into memory foam and latex mattresses are a recent innovation. But if you really want to go down the foam mattress route, they’re a real bonus if you’re a hot sleeper.
  • Good support – Make sure you pick the right level of support when you’re choosing your mattress. If you suffer from a bad back then comfort and support are just as important as staying cool. Find out more with our Sleep tips for a bad back Guide.

Author: Lucy

Lucy is a copywriter, trend spotter, and our resident sleep expert! Lucie has been with the team since 2018 and her articles cover a sweeping array of subjects from general product care, the latest bedroom design trends, ways to promote healthier sleep and jargon-busting explanations to help you understand what goes into our products. Do you have questions for Lucy & the team? Call one of our sleep experts today!