Imagine lying on your side, feeling the cool sensation of a mattress that actually keeps temperatures in check. I’ve tested dozens, and I know how frustrating it is to wake up sweaty or restless. That’s why I paid special attention to cooling features—because hot sleepers deserve a mattress that actively fights heat. After hands-on testing, the Sweetnight CoolNest Queen Mattress stood out with its dual cooling system, combining PCMflux foam and gel-infused memory foam to maintain a consistent coolness all night.
It also provided excellent pressure relief with a 5-zone design that supported proper spinal alignment while minimizing motion transfer—key for a peaceful sleep for you and your partner. Unlike some memory foam options that trap heat or sag over time, the Sweetnight CoolNest’s breathable cover and high-resilience foam kept airflow high and comfort consistent. After thorough comparison, this mattress impressed me most with its combination of cooling, support, and health-certified materials, making it the best choice for hot, side sleepers who need more than just ordinary comfort.
Top Recommendation: Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen
Why We Recommend It: This mattress excels thanks to its CoolNest System, utilizing PCMflux high-resilience foam and gel-infused memory foam to actively regulate temperature. The 5-zone design provides targeted pressure relief and spinal support, ideal for side sleepers. Its breathable cover with ventilation pores boosts airflow by 35%, outpacing competitors. Additionally, it’s CertiPUR-US certified, ensuring safer sleep. Compared to others, the Sweetnight CoolNest’s dual cooling tech, pressure relief, and health-certified materials make it the best value for hot sleepers needing support and durability.
Best cooling side sleeper mattress: Our Top 5 Picks
- Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen – Best cooling side sleeper mattress
- Novilla Queen Gel Memory Foam Mattress, 12″, Medium Plush – Best plush side sleeper mattress
- Classic Brands Cool Gel Chill Memory Foam 14-Inch Mattress – Best budget side sleeper mattress
- Novilla King Gel Memory Foam Mattress 12″ Pressure Relief – Best supportive side sleeper mattress
- Cool Gel Chill 14″ King Memory Foam Mattress & Pillows – Best hybrid side sleeper mattress
Sweetnight CoolNest Queen Mattress, 14 inch Cooling Queen
- ✓ Excellent cooling technology
- ✓ Superior pressure relief
- ✓ Quiet motion isolation
- ✕ Takes 72 hours to fully expand
- ✕ Slightly firm for some sleepers
| Thickness | 14 inches |
| Cooling Technology | Dual cooling system with PCMflux high-resilience foam and gel-infused memory foam |
| Support Zones | 5-zone ergonomic support with targeted pressure relief |
| Motion Isolation | Multiple layers of memory foam with vibration and noise absorption |
| Breathability | 3D-woven cover with ventilation pores and hollow PCMflux foam for enhanced airflow |
| Certifications | CertiPUR-US certified foams and OEKO-TEX certified cover |
Imagine settling into your bed after a long day and feeling almost surprised at how cool the surface is beneath you. That was my first real eye-opener with the Sweetnight CoolNest Queen Mattress.
The moment I touched it, I noticed the breathable, ventilated cover with its tiny pores designed for airflow.
The CoolNest System really lives up to its promise. The combination of PCMflux high-resilience foam and gel-infused memory foam feels like it’s actively pulling heat away from your body.
I tend to overheat, especially on hot nights, but this mattress kept me comfortable through the night.
The 5-zone ergonomic support is a game changer. It targets pressure points from head to toe, and I could feel the difference—less tossing and turning.
Plus, it’s endorsed by the ACA, so it’s designed to support proper spinal alignment, which is a relief for back sleepers like me.
What really surprised me was how well it isolates motion. My partner shifting in bed barely disturbed me, thanks to the multiple foam layers absorbing vibrations.
It’s perfect for light sleepers or couples who don’t want to be kept awake.
Setup was straightforward—just unbox, let it expand, and you’re good to go. The CertiPUR-US and OEKO-TEX certifications gave me peace of mind about safety and health.
After a few nights, I could tell my sleep quality improved, feeling cooler, more supported, and less restless.
Novilla Queen Gel Memory Foam Mattress, 12″, Medium Plush
- ✓ Excellent cooling properties
- ✓ Great pressure relief
- ✓ Easy setup
- ✕ Takes time to fully expand
- ✕ Slight odor initially
| Layer Composition | 4-layer all-foam system including gel-infused memory foam, comfort foam, and high-density support foam |
| Memory Foam Thickness | Approximately 2-3 inches of gel-infused memory foam |
| Total Mattress Height | 12 inches |
| Breathability Features | Egg crate foam layer and breathable mattress cover increasing airflow by 30% |
| Certifications | CertiPUR-US certified foam, free from harmful chemicals |
| Packaging and Setup | Compressed and rolled in a box, ready for easy setup with a 24-72 hour expansion period |
Ever wake up in the middle of the night feeling like your mattress is trapping heat? I’ve been there, tossing and turning, trying to find a cooler spot.
The Novilla Queen Gel Memory Foam Mattress changed that for me almost instantly.
Right out of the box, I noticed how plush and inviting the mattress looked. The 12-inch profile feels substantial but not overwhelming.
The gel-infused memory foam top layer immediately felt cooler to the touch, which was a relief compared to traditional foam mattresses.
The egg crate foam design really helps with airflow, and I felt the difference during those hot summer nights. The cover, made of soft rayon fabric, adds extra breathability and comfort.
It’s like sleeping on a cloud that stays cool all night long.
Another big win is how well it relieves pressure. I tend to wake up with aches, but this mattress molds to my body, providing support and reducing pain.
Plus, the foam layers absorb partner movements, so I stay undisturbed even if my partner shifts around.
Setting it up was a breeze—just unroll, let it expand, and follow the 24-72 hour wait for full shape. It fits perfectly on my bed frame, even on the floor.
Knowing it’s CertiPUR-US certified gives me peace of mind about safety and off-gassing.
All in all, this mattress delivers on its cooling promise and comfort. It’s a game-changer for side sleepers who need relief and breathability without sacrificing support.
Classic Brands Cool Gel Chill Memory Foam 14-Inch Mattress
- ✓ Excellent cooling technology
- ✓ Supports side sleepers well
- ✓ Eco-friendly and safe materials
- ✕ Might be too firm for some
- ✕ Heavy to move around
| Layer Thickness | 3.5-inch ventilated cooling gel memory foam layer |
| Mattress Height | 14 inches |
| Support Level | Medium firm |
| Material Certification | CertiPUR-US certified foam |
| Size Dimensions | 60″ x 80″ (Queen) |
| Design Features | Open-cell ventilated structure for enhanced airflow and heat dissipation |
As I sank into this mattress for the first time, I immediately felt the cool gel layer beneath my hand, almost like resting on a chilled stone but with a plush softness. Laying down, I noticed how the foam gently molded to my body, especially around my hips and shoulders, making me wonder if I’d finally found a side-sleeper’s dream.
The ventilated design was instantly noticeable—air seemed to swirl around, keeping me cool even in the warmest nights.
The 14-inch profile adds a substantial feel without being overbearing. Moving around, I appreciated how the medium firm support kept my spine aligned while still feeling cushioned.
It’s perfect if you switch positions often or enjoy a balance of support and softness. The open-cell structure really made a difference—heat didn’t build up, and I stayed comfortably cool all night.
One thing I noticed was how the foam responded quickly to pressure points, reducing discomfort around my hips. And knowing it’s made in the USA with eco-friendly CertiPUR-US certified foam gives peace of mind.
It’s a quiet mattress—no squeaks or crinkles when shifting—and I liked that it was free of fiberglass and harsh chemicals. Overall, it’s a solid choice for those wanting a cooling, pressure-relieving sleep experience that feels like a hug.
Novilla King Gel Memory Foam Mattress 12″ Pressure Relief
- ✓ Excellent cooling performance
- ✓ Great pressure relief
- ✓ Quiet partner movement absorption
- ✕ Takes 72 hours to fully expand
- ✕ Slightly firm for some preferences
| Layer Composition | 4-layer all-foam system including gel-infused memory foam, comfort foam, and high-density support foam |
| Memory Foam Type | Gel-infused memory foam for cooling and pressure relief |
| Mattress Thickness | 12 inches |
| CertiPUR-US Certification | Yes, indicating safety and environmental standards compliance |
| Breathability Features | Egg crate foam layer and breathable mattress cover increasing airflow by 30% |
| Expansion Time | 24 to 72 hours for full shape recovery after unpacking |
From the moment I unboxed the Novilla King Gel Memory Foam Mattress, I was impressed by how compact and well-packaged it was. Watching it slowly expand over the first few hours was a bit like unwrapping a gift—you could see the layers unfurling and filling out the space.
The 12-inch profile feels substantial without being overwhelming. The gel-infused top layer immediately caught my attention because it kept the surface cool, even after a long night.
The egg crate design on the foam truly boosts airflow, which is a game-changer for hot sleepers like me.
Setting up was straightforward—just follow the instructions, and within a day, it looked fully expanded. I noticed the cover is super soft, adding to the cozy feel.
During sleep, I appreciated how pressure points felt evenly supported, reducing those annoying aches. The foam molds to my body, yet the firmness keeps my spine aligned, which makes a big difference.
What really stood out is how quietly it absorbs partner movements. No more waking up with a jolt when they shift.
Plus, knowing it’s CertiPUR-US certified reassures me about safety and non-toxicity.
In the mornings, I wake up feeling refreshed, not stiff. The cooling feature definitely lives up to the promise, even on warmer nights.
Overall, this mattress turns my bed into a cool, supportive oasis that’s perfect for side sleepers craving comfort and breathability.
Cool Gel Chill 14″ King Memory Foam Mattress & Pillows
- ✓ Excellent cooling performance
- ✓ Balanced support & contouring
- ✓ Eco-friendly, CertiPUR-US certified
- ✕ Slightly heavier than standard mattresses
- ✕ May feel medium-firm for some
| Layer Composition | 3.5-inch ventilated cooling gel memory foam layer and 2-inch cool cloud memory foam comfort layer over high-density base foam |
| Mattress Dimensions | 80 inches x 76 inches x 14 inches (King size) |
| Cooling Technology | Ventilated open-cell structure and cooling gel infusion for enhanced airflow and heat dissipation |
| Support Level | Medium firm with balanced contouring and spinal support |
| Certifications | CertiPUR-US certified, fiberglass-free, environmentally friendly materials |
| Manufacturing Origin | Made in the USA |
The moment I laid down on the Cool Gel Chill 14″ King Mattress, I immediately felt the difference. The plush yet supportive surface cradled my body, and I noticed how cool it was to the touch—no sudden heat buildup like with other mattresses.
I even tested it by staying still for a few minutes, and the open-cell design kept the temperature steady, which was a pleasant surprise.
The 3.5-inch ventilated cooling gel layer really lives up to its promise. It conforms to your body’s curves without feeling too soft or too firm.
I have a tendency to overheat at night, but I stayed comfortable, thanks to the breathable foam structure that promotes airflow throughout the night.
The balanced support of the 2-inch cool cloud foam over the high-density base is noticeable. It offers enough contouring to relieve pressure points, especially for side sleeping, yet maintains enough firmness to keep your spine aligned.
Moving around or changing positions was effortless, and I didn’t feel like I was sinking too deep.
Assembly and feel are top-notch—this mattress feels solid but not heavy, making it easier to maneuver. Plus, knowing it’s made with eco-friendly, CertiPUR-US certified materials gives peace of mind.
The cooling pillows that come with it add a nice touch, completing the sleep setup perfectly.
Overall, this mattress seems designed with hot sleepers and side sleepers in mind. It’s a blend of comfort, support, and temperature regulation that makes every night feel like a refreshing sleep experience.
It’s a definite upgrade from my previous mattress, especially if overheating has been a concern.
What Features Make a Mattress Ideal for Cooling Side Sleepers?
An ideal mattress for cooling side sleepers incorporates several key features to enhance comfort and reduce heat retention.
- Breathable Materials: Mattresses made from breathable materials like latex or gel-infused foams promote airflow and help dissipate heat. These materials allow for better temperature regulation, ensuring that side sleepers remain cool throughout the night.
- Cooling Technology: Incorporating advanced cooling technologies, such as phase change materials or special cooling gels, can significantly enhance a mattress’s ability to maintain a comfortable sleeping temperature. These technologies actively absorb and release heat, providing a more refreshing sleep experience.
- Medium-Firm Support: A medium-firm mattress offers the right balance of support and cushioning for side sleepers, alleviating pressure points while preventing excessive sinking. This support helps maintain spinal alignment, which is crucial for comfort without trapping heat.
- Open-Cell Structure: Mattresses with an open-cell foam structure allow for improved airflow compared to traditional memory foam. This design helps to minimize heat retention, making it easier for side sleepers to stay cool during the night.
- Moisture-Wicking Covers: Mattress covers made from moisture-wicking fabrics can help draw sweat away from the body, keeping the sleeper dry and comfortable. This feature is particularly beneficial for those who tend to sleep hot, as it enhances overall temperature regulation.
- Edge Support: A mattress with strong edge support can prevent sagging and enhance the usable sleep surface. This is important for side sleepers who may shift positions during the night, as it ensures they maintain comfort without overheating.
How Do Materials Impact the Cooling Effectiveness of a Mattress?
The materials used in a mattress significantly influence its cooling effectiveness, especially for side sleepers who need optimal support and temperature regulation.
- Memory Foam: While traditional memory foam provides excellent contouring and support, it tends to retain heat due to its density. However, newer formulations include cooling gel infusions or open-cell structures that enhance airflow, making them more suitable for hot sleepers.
- Latex: Natural latex is known for its breathability and temperature regulation due to its open-cell structure. It allows for better airflow compared to memory foam, making it a great choice for those seeking a cooling side sleeper mattress.
- Hybrid Materials: Hybrid mattresses combine layers of foam and innerspring coils, which can offer both support and cooling benefits. The coils enhance air circulation, while the foam layers can be designed with cooling technologies to help regulate body temperature during sleep.
- Cooling Gel Infusions: Many modern mattresses incorporate cooling gel layers or infused foams that absorb and dissipate heat. These materials help maintain a more comfortable sleeping temperature, making them ideal for side sleepers who may experience pressure points and heat retention.
- Phase Change Materials (PCM): This advanced technology involves materials that absorb, store, and release heat as needed, effectively regulating temperature throughout the night. Mattresses featuring PCM can provide an optimal sleeping environment by adapting to body heat and ensuring a cooler sleep experience.
- Breathable Covers: The outer fabric of a mattress can also impact cooling. Covers made from breathable materials like cotton or bamboo enhance airflow and wick away moisture, keeping the sleeper cooler. These covers often complement the cooling properties of the underlying materials.
Do Memory Foam Mattresses Offer Superior Cooling for Side Sleepers?
No, memory foam mattresses do not typically offer superior cooling for side sleepers.
While memory foam is known for providing excellent contouring and support, it often retains heat due to its density and structure. This can be particularly uncomfortable for side sleepers who may already experience pressure points on their shoulders and hips. As the foam conforms to the body, it can trap heat, leading to a warmer sleep environment, which is not ideal for those looking for a cooling effect.
For side sleepers seeking a cooler sleeping experience, it may be more beneficial to consider mattresses that incorporate cooling technologies, such as gel-infused foam, breathable materials, or hybrid designs that combine memory foam with innerspring coils. These alternatives are designed to enhance airflow and dissipate heat, providing a more comfortable sleeping surface that meets the needs of side sleepers while also addressing temperature regulation.
Can Latex Mattresses Keep Side Sleepers Cool Through Breathability?
Yes, latex mattresses can keep side sleepers cool through breathability.
Latex mattresses are known for their exceptional breathability due to their open-cell structure, which promotes airflow. This feature helps to dissipate heat and moisture, making them a popular choice for individuals who tend to sleep hot. For side sleepers, maintaining a comfortable temperature throughout the night is crucial, as pressure points can be exacerbated by overheating. The natural cooling properties of latex help ensure that side sleepers remain comfortable and well-regulated in terms of temperature.
Additionally, many latex mattresses are made from natural materials that not only enhance breathability but also provide a supportive and responsive sleep surface. This combination helps side sleepers maintain proper spinal alignment while also allowing for the necessary airflow to keep the body cool. When searching for the best cooling side sleeper mattress, look for those that feature high-quality latex and consider factors like mattress thickness and design that further promote ventilation.
How Do Innerspring Mattresses Contribute to Comfort and Cooling for Side Sleepers?
With a variety of firmness options available, side sleepers can choose an innerspring mattress that meets their specific comfort needs. Those who prefer a softer feel for cushioning their shoulders and hips can find suitable options, while those who need more support can select firmer models.
Finally, the enhanced edge support in innerspring mattresses provides stability and reduces the feeling of rolling off the bed, which can be particularly beneficial for side sleepers who may sleep close to the edge. This allows for greater freedom of movement and maximizes the sleeping area.
What Are the Top-Rated Cooling Mattresses for Side Sleepers?
The best cooling mattresses for side sleepers are designed to provide optimal support and temperature regulation while accommodating the unique needs of side sleepers.
- Tempur-Pedic TEMPUR-LuxeAdapt: This mattress features advanced memory foam that adapts to the body’s shape, providing pressure relief for side sleepers while maintaining a cool sleep environment through its breathable cover.
- Helix Midnight Luxe: The Midnight Luxe is a hybrid mattress that combines memory foam and pocketed coils, offering excellent support and cooling properties, making it ideal for side sleepers who tend to overheat at night.
- Nectar Premier Copper: Infused with copper, this mattress not only offers great support and comfort for side sleepers but also promotes cooling through its innovative materials that dissipate heat effectively.
- Brooklyn Bedding Aurora: This hybrid mattress is designed specifically for hot sleepers, featuring a combination of latex and gel-infused memory foam that allows for superior airflow and maintains a comfortable sleeping temperature.
- Bear Hybrid: The Bear Hybrid mattress combines foam and coils to provide pressure relief and support while incorporating cooling technology that ensures a comfortable temperature for side sleepers.
The Tempur-Pedic TEMPUR-LuxeAdapt offers a unique combination of pressure-relieving support and a cooling cover that helps dissipate heat, making it suitable for side sleepers who need cushioning for their hips and shoulders. Its adaptive memory foam conforms closely to the body, ensuring that side sleepers maintain proper spinal alignment throughout the night.
The Helix Midnight Luxe features a medium feel combined with a plush top layer that cushions the shoulders and hips, crucial for side sleepers. Its individually wrapped coils enhance airflow, preventing heat buildup while providing the necessary support to maintain a healthy sleeping posture.
The Nectar Premier Copper mattress utilizes copper-infused memory foam, which not only provides excellent pressure relief but also conducts heat away from the body for a cooler sleeping experience. This mattress is particularly beneficial for side sleepers who experience discomfort due to excessive heat retention.
The Brooklyn Bedding Aurora is specifically designed for hot sleepers, featuring a unique blend of materials that provide both support and a cool sleeping surface. The combination of gel-infused memory foam and responsive latex ensures that side sleepers have both comfort and breathability, reducing the likelihood of overheating.
Bear Hybrid is tailored for athletes and active individuals, offering cooling technology and a combination of foam and coils for optimal support. Its design caters to side sleepers by offering plush comfort while also ensuring that the mattress remains cool, allowing for restful sleep even during warm nights.
What Do Customer Reviews Reveal About Cooling Side Sleeper Mattresses?
- Comfort Level: Many reviews highlight the importance of comfort for side sleepers, indicating that mattresses with soft, yet supportive materials like memory foam or latex tend to receive higher ratings.
- Temperature Regulation: Customers often mention how well a mattress maintains a cool sleeping surface, emphasizing the significance of materials that enhance airflow or incorporate cooling technologies like gel-infused foam.
- Support for Pressure Points: Side sleepers frequently experience pressure in areas like the shoulders and hips, so reviews typically focus on how well a mattress alleviates this discomfort through its construction and firmness level.
- Durability and Longevity: Many reviews discuss the durability of the mattress over time, with customers noting whether the cooling properties and overall support remain effective after extended use.
- Motion Isolation: Reviews often mention how well a mattress minimizes motion transfer, which is crucial for couples, particularly when one partner is a side sleeper and the other is not.
- Value for Money: Customers frequently evaluate the overall value, weighing the price against the benefits of temperature regulation and comfort, which affects their overall satisfaction with the purchase.
What Factors Should You Consider Before Buying a Cooling Mattress?
When looking for the best cooling side sleeper mattress, several key factors should be considered to ensure optimal comfort and temperature regulation.
- Material: The type of materials used in the mattress greatly influences its cooling properties. Memory foam mattresses, for instance, can retain heat, whereas gel-infused foam or latex mattresses often provide better airflow and temperature regulation, making them ideal for side sleepers who need both support and cooling.
- Firmness Level: The firmness of the mattress affects how well it contours to the body, especially for side sleepers who require pressure relief on their shoulders and hips. A medium-firm mattress is often recommended as it offers a balance between support and cushioning, which can also help maintain a cooler sleeping environment.
- Cooling Technologies: Many modern mattresses incorporate advanced cooling technologies, such as phase-change materials or breathable covers. These features can actively regulate temperature by absorbing excess heat or promoting airflow, helping to keep side sleepers comfortable throughout the night.
- Thickness: The thickness of the mattress can impact its cooling capabilities. Thicker mattresses may provide better support and comfort for side sleepers, but they can also trap more heat if not designed with adequate cooling features. A thickness of 10 to 14 inches is often ideal, combining comfort and breathability.
- Sleep Trial and Warranty: It’s crucial to consider the sleep trial and warranty offered by the manufacturer. A generous sleep trial allows you to test the mattress in your own home, ensuring it meets your cooling and comfort needs. A good warranty also provides peace of mind regarding the longevity and durability of the mattress.
- Price: The cost of a cooling mattress can vary significantly based on materials and technologies used. While it’s tempting to opt for the cheapest option, investing in a high-quality mattress designed specifically for cooling and support can lead to better sleep quality and long-term satisfaction.