Sleep temperature plays an important role in the quality of our sleep. Overheating during the night can lead to discomfort, sweating, restlessness and interrupted sleep.
With this in mind, Bedbuyer’s expert team has selected Australia’s Best Mattresses for Hot Sleepers in 2026, based on our extensive mattress testing experience and assessment of mattress cooling features.
- Silent Night Onyx
- Dusk&Dawn Signature
- Yinahla Posture Cloud Gel
- Ecosa CoolComfort
- Koala Polar+
- Onebed Max
- Sleep Republic ES
- Yinahla Classic Comfort
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Since 2014, Bedbuyer has tested and rated thousands of mattresses to help Aussies choose their perfect bed. Read more about us and see how we test mattresses.
To help with your decision, we have summarised the major features of each mattress below, with particular attention to cooling technology, breathability and ventilation. We have also included links to our full reviews and exclusive discounts where available.
1. Silent Night Onyx
$2,789 (Queen)
The Silent Night Onyx is an outstanding Australian-made mattress that combines advanced cooling technology with exceptional comfort and support. It was awarded Australia’s Best Cooling Mattress by Bedbuyer in both 2025 and 2026.
One of its standout features is the exclusive ICE-TEK™ Cooling Knit, a specialised fabric that feels noticeably cool to touch. This material is designed to draw heat away from the body and assist with sleep temperature regulation.
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Beneath this cooling cover sits a premium silk and cashmere blend, open-cell comfort foams, and cool gel memory foam. These materials provide excellent pressure relief whilst promoting breathability and reducing heat build-up.
The mattress also features an advanced 10 Zone Silentpocket™ Dual Coil System. This sophisticated spring system provides excellent spinal support, minimal partner disturbance, and additional ventilation through its dual-layer construction.
The Silent Night Onyx is available in four firmness options and comes with a 100 Night Eco Exchange for eligible online purchases and a 10 year warranty. Overall, it is an excellent choice for those seeking premium comfort, support, and cooling performance.
Here is our full review (which includes prices & promo code).
- To qualify as a Bedbuyer customer (and be eligible for a 100 Night Eco Exchange) you must click SHOP NOW and use code BUYONYX at checkout – full conditions here.
- For in-store purchases, customers can claim a $25 cashback – full conditions here.
- Delivery cost will vary depending on your location but a typical metro delivery fee is $100. To avoid a delivery fee, the mattress can be collected from a distribution centre.
2. Dusk&Dawn Signature
$2,551.12 (Queen)
The Dusk&Dawn Signature is a premium Australian-made mattress that combines luxurious comfort with excellent ventilation and breathability. It has been awarded Australia’s Mattress of the Year by Bedbuyer in 2024, 2025 and 2026.
Its comfort layers include Dusk-Air Technology, Eco-Air Comfort Technology, and Graph-Tek Memory Foam. These advanced materials are designed to promote airflow, dissipate moisture, and help regulate sleep temperature.
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The mattress also features a breathable Comfort-Stretch Premium Fabric cover and a 3D mesh gusset around its sides. These components further enhance ventilation and help reduce heat build-up.
Beneath the comfort layers sits a sophisticated dual pocket spring system, including 5 zone micro pocket springs and a sturdy 5 zone support system. This design provides excellent spinal support, minimal partner disturbance, and additional airflow throughout the mattress.
During our testing, we didn’t detect any abnormal heat retention, which aligns well with its breathable construction. With three firmness options, a 100 night comfort guarantee and a 10 year warranty, the Dusk&Dawn Signature is an excellent choice for hot sleepers.
Here is our full review (which includes a video review, prices & promo code).
3. Yinahla Posture Cloud Gel
$4,175.25 (Queen)
The Yinahla Posture Cloud Gel is a premium Australian-made mattress that combines excellent spinal support with advanced cooling technology. Handcrafted in Melbourne by Chiropedic Bedding, it offers a comfortable, medium-firm feel.
One of its standout features is the medical-grade Posture Cloud Gel™ layer. This innovative material has an open-cell structure that promotes airflow, assists with moisture evaporation, and helps regulate sleep temperature.
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The mattress also features a breathable Elastin Knit Fabric cover and premium comfort foams. These materials provide smooth pressure relief whilst allowing air to circulate through the upper comfort layers.
Beneath these layers sits Yinahla’s outstanding 9 Zone Ultra-Coil Pocket Spring System. Reinforced with titanium, this sophisticated spring system provides exceptional spinal support, minimal partner disturbance, and excellent ventilation.
During our testing, the mattress felt breathable and well ventilated, and we didn’t detect any obvious heat retention. With a 150 night trial period and a 20 year warranty, the Yinahla Posture Cloud Gel is an excellent choice for those seeking premium comfort, support, and temperature regulation.
Here is our full review (which includes prices and discount).
4. Ecosa CoolComfort Mattress
$1,393 (Queen)
The Ecosa CoolComfort Mattress is an innovative innerspring mattress that has been specially designed to help regulate sleep temperature. It combines advanced cooling materials with a supportive, medium-firm feel.
One of its standout features is the Cool+ Washable Top Cover, which feels noticeably cool to touch. During our testing, this cover provided a refreshing cooling sensation, and we didn’t detect any obvious heat retention.
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Beneath this cover sits a highly breathable FlexMatrix™ Grid and open-cell BounceTech™ Foam. These materials promote excellent airflow whilst providing comfortable pressure relief and cushioning.
The mattress also features copper-infused and graphene-infused cooling foams, designed to draw heat away from the body. These comfort layers sit over a sturdy 5 zone pocket spring system, which provides good spinal support and additional ventilation.
The Ecosa CoolComfort comes with a 100 night trial period and a 15 year warranty. Overall, it is a well-designed mattress with impressive cooling features, making it an excellent option for those who tend to overheat during sleep.
Here is our full review (which includes prices & discount).
5. Koala Polar+ Mattress
$1,492.50 (Queen)
The Koala Polar+ Mattress is a premium all-foam mattress that has been specially designed for cooling and comfort. It combines innovative cooling technology with a customisable firmness system and a comfortable, supportive feel.
One of its standout features is the reversible seasonal topper, which offers a cooler summer side and a warmer winter side. The summer surface uses Koala’s CoolThread® fabric, which felt noticeably cool to touch during our testing.
Beneath this topper sits an 8cm Kloudcell® comfort layer with cooling gel and PolarBands™ technology. These materials are designed to absorb and dissipate body heat whilst providing comfortable pressure relief.
The mattress also features a sturdy 5 zone foam support system and a flippable comfort layer, allowing users to choose between two firmness options. During our testing, we didn’t detect any abnormal heat retention in either configuration.
The Koala Polar+ comes with a 120 night trial period and a 10 year warranty. Although all-foam mattresses generally offer less ventilation than innerspring models, its specialised cooling features make it a worthwhile option for hot sleepers who prefer a foam mattress.
Here is our full review (which includes a video review, prices & promo code).
6. Onebed Max Mattress
$967.50 (Queen)
The Onebed Max Mattress is a premium mattress in a box that combines excellent comfort and support with advanced cooling features. It also offers an adjustable firmness design, allowing users to customise the feel of the mattress.
One of its standout features is the Auralux™ Grid layer, which has an open structure that promotes excellent airflow. This breathable material helps dissipate heat and moisture whilst providing comfortable pressure relief.
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The mattress also features cooling gel memory foam and Auralux™ comfort foam. These materials are designed to help regulate sleep temperature whilst offering a comfortable balance of cushioning and responsiveness.
Beneath these layers sits a sturdy 5 zone pocket spring system, providing good spinal support and additional ventilation. During our testing, we didn’t detect any abnormal heat retention, which is encouraging given its cooling-focused design.
The Onebed Max comes with two firmness options, a 125 night trial period and a 10 year warranty. Overall, it is a well-designed mattress that offers excellent value for money and should appeal to hot sleepers seeking comfort and support.
Here is our full review (which includes prices & promo code).
7. Sleep Republic ES Mattress
$882 (Queen)
The Sleep Republic ES Mattress is an affordable hybrid mattress that combines excellent comfort and support with a breathable design. It offers a medium-firm feel and represents outstanding value for money.
The mattress features a soft Tencel™ fabric cover that feels smooth, breathable and comfortable. This material is designed to assist with sleep temperature regulation whilst providing a pleasant sleeping surface.
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Beneath this cover sits a layer of FirmCore™ High-Density Foam, which provides gentle cushioning and pressure relief. Its breathable construction helps minimise heat build-up whilst maintaining a supportive feel.
The mattress also features a sophisticated 3 zone high-definition pocket spring system, which provides excellent spinal support and ventilation. During our testing, we didn’t detect any abnormal heat retention, which is encouraging for those who tend to sleep hot.
The Sleep Republic ES comes with a 150 night trial period and a 12 year warranty. Overall, it is a well-made mattress that combines comfort, support and breathability at a very competitive price.
Here is our full review (which includes a video review, prices & promo code).
8. Yinahla Classic Comfort
$3,106.50 (Queen)
The Yinahla Classic Comfort is a premium Australian-made mattress that combines luxurious comfort with outstanding spinal support. Handcrafted in Melbourne, it offers a comfortable, medium-firm feel that should suit a wide range of sleepers.
The mattress features a soft, breathable Elastin Knit Fabric cover that feels smooth and stretchy. This material promotes airflow and helps create a comfortable sleeping surface.
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Beneath this cover sit multiple layers of premium Quiltec and Hypersoft Dunlop foams, along with Yinahla’s innovative Cloud Gel™ layer. These materials provide excellent pressure relief whilst promoting breathability and temperature regulation.
The mattress also features an advanced 9 Zone Ultra-Coil Pocket Spring System, providing exceptional spinal support and additional ventilation. During our testing, the mattress felt breathable and comfortable, although we did not specifically assess heat retention.
The Yinahla Classic Comfort comes with a 150 night trial period and a 20 year warranty. Overall, it is a beautifully made mattress that combines premium comfort, support and cooling features, making it a great option for hot sleepers.
Here is our full review (which includes prices & promo code).
What causes overheating during sleep?
Sleep temperature plays an important role in the quality of our sleep. Overheating during the night can lead to sweating, discomfort, restlessness and interrupted sleep.
Some people naturally sleep hotter than others, while hormonal changes, including those associated with menopause, can also contribute to night sweats and temperature fluctuations.
There are several factors that can influence sleep temperature, including:
- Room temperature and humidity
- Climate and seasonal conditions
- Mattress type and construction
- Pillows, sheets and bedding
- Sleepwear and clothing
- Body temperature and individual physiology
- Sharing a bed with a partner
- Certain health conditions and medications
With so many variables involved, it’s important to understand that no mattress can guarantee a cool night’s sleep for everyone. Nevertheless, choosing a mattress with good ventilation and breathable materials can certainly help.
What type of mattress is best for hot sleepers?
In our experience, innerspring mattresses are generally the best options for people who tend to overheat during sleep.
The open structure of a pocket spring system allows air to circulate through the mattress, helping to reduce heat build-up. This is particularly beneficial when combined with breathable comfort layers and cooling fabrics.
All-foam mattresses, on the other hand, tend to offer less internal ventilation. Dense foam layers can restrict airflow and retain body heat, particularly when the sleeper sinks deeply into the mattress.
That said, some modern foam mattresses incorporate advanced cooling technology, such as open-cell foams, cooling gels and breathable grid layers. These features can improve temperature regulation, as demonstrated by several mattresses in our recommendations above.
Latex mattresses can also be a good option for hot sleepers. Natural latex is generally quite breathable, particularly when manufactured with ventilation holes that allow air to circulate through the material.
Why was the Silent Night Onyx awarded Best Cooling Mattress in 2025 and 2026?
The Silent Night Onyx was awarded Australia’s Best Cooling Mattress by Bedbuyer in both 2025 and 2026. Its advanced construction combines several cooling technologies designed to promote airflow, dissipate heat and regulate sleep temperature.
One of its standout features is the ICE-TEK™ Cooling Knit, which creates a noticeably cool-to-touch sleeping surface. Beneath this cover sits a premium silk and cashmere blend, open-cell comfort foams and cool gel memory foam. These materials work together to promote breathability, provide pressure relief and help reduce heat build-up.
The mattress also features a sophisticated 10 Zone Silentpocket™ Dual Coil System, which provides excellent spinal support whilst encouraging airflow through its dual-layer construction. Combined with the cooling sensation we observed during testing, these features make the Silent Night Onyx a worthy recipient of our Best Cooling Mattress award for two consecutive years.
Does mattress firmness affect sleep temperature?
Mattress firmness can also influence how warm or cool a mattress feels during sleep.
Softer mattresses generally allow the body to sink more deeply into the comfort layers. This can increase the amount of contact between the body and mattress, potentially trapping more heat.
Firmer mattresses typically involve less body sinkage, allowing more of the body to remain exposed to the surrounding air. This may help with temperature regulation, particularly for people who naturally sleep hot.
Of course, firmness is only one consideration. The materials, construction and ventilation of a mattress are equally important, and a firm mattress won’t necessarily sleep cooler than a softer one.
Do cooling mattresses actually work?
Many modern mattresses incorporate specialised cooling materials designed to help regulate sleep temperature.
These may include cooling fabrics, gel-infused foams, graphite or graphene-infused materials, breathable mesh panels and open-cell comfort layers.
Some cooling fabrics produce a noticeable cool-to-touch sensation when you first lie on the mattress. However, this initial cooling effect doesn’t necessarily mean the mattress will remain cool throughout the night.
Long-term temperature regulation depends on several factors, including the mattress’s ability to dissipate heat, manage moisture and maintain adequate airflow.
During our hands-on testing, we assess the breathability of mattress materials and consider whether there is any obvious or abnormal heat retention. Although this provides useful insight, individual experiences will naturally vary.
How can I keep my bed cooler at night?
Along with choosing a breathable mattress, there are several simple ways to improve your sleeping environment.
Lightweight, breathable sheets and bedding can help prevent excess heat build-up. Natural fibres such as cotton and linen are often good choices, particularly during warmer months.
Keeping your bedroom cool and well ventilated can also make a significant difference. Air conditioning, ceiling fans and appropriate airflow can help maintain a more comfortable sleeping temperature.
It’s also worth considering your pillow and mattress protector, as these can influence heat and moisture retention around the body.
Ultimately, a combination of the right mattress, suitable bedding and a comfortable bedroom environment will generally provide the best opportunity for a cool and restful night’s sleep.
How we chose Australia’s Best Mattresses for Hot Sleepers
Since 2014, Bedbuyer’s expert team has tested and rated thousands of mattresses, giving us extensive experience in assessing mattress comfort, support and construction.
For this list, we considered several important factors, including cooling technology, material breathability, airflow, comfort, spinal support and overall build quality.
We also drew on our hands-on testing experience, paying particular attention to the feel of cooling fabrics and whether mattresses displayed any obvious heat retention.
Our selections include a range of premium and affordable mattresses, with different firmness levels and construction types to suit a variety of sleeping preferences.
As always, our aim is to provide independent, practical advice to help Australians choose a mattress that offers the right balance of comfort, support and temperature regulation.
So there you have it, Bedbuyer’s list of Australia’s Best Mattresses for Hot Sleepers in 2026. For more information, check out our Complete Buyer’s Guide for buying a new mattress in 2026. This contains all the information you will need before buying a new bed!
If you have any questions about choosing a mattress to help keep you cool at night, leave a comment below. Our team is standing by!
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