Cooling Mattresses
Best Cooling Mattresses for Side Sleepers in 2026
7 picks compared
6 min read
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The short answerFor side sleepers, the best cooling mattresses combine pressure relief with active cooling. Top picks include the Nectar Premier Copper, the Brooklyn Bedding Aurora Luxe, and the Zinus Green Tea Cooling Gel. Each offers distinct cooling technologies and support levels.
?How we pickedWe compare published specifications, safety certifications and thousands of verified owner reviews, and we do not physically test every unit. Read the full process in our review methodology.
Nectar Premier Copper
★★★★★ 4.8 / 5 Best Overall for Side Sleepers
The Nectar Premier Copper uses heat-conducting copper fibers to draw heat away from the body. Its gel memory foam provides deep contouring for hips and shoulders. The medium-firm feel offers a balance of support and cushioning.
Type HybridThickness 13 inchesFirmness Medium-firmCooling Copper-infused gel memory foam
- Excellent pressure relief for side sleepers
- Active cooling technology
- Strong edge support
- Heavier than some competitors
- Premium price point
Best for: Best Overall for Side Sleepers
Brooklyn Bedding Aurora Luxe
★★★★★ 4.7 / 5 Best Value for Cooling and Support
The Aurora Luxe features a phase-change material top layer that stays cool to the touch. Its zoned support system provides extra pressure relief where side sleepers need it. The coil base adds breathability and responsive support.
Type HybridThickness 11.5 inchesFirmness Multiple optionsCooling Phase-change material
- Customizable firmness levels
- Excellent temperature regulation
- Good motion isolation
- May be too firm for some side sleepers
- Off-gassing initially
Best for: Best Value for Cooling and Support
Zinus Green Tea Cooling Gel
★★★★★ 4.5 / 5 Best Budget Cooling Mattress
This memory foam mattress is infused with cooling gel and green tea extract to reduce heat retention. Its pressure-relieving foam contours to the body without excessive sinking. The medium-firm feel suits most side sleepers.
Type Memory foamThickness 10 inchesFirmness Medium-firmCooling Gel-infused foam
- Very affordable
- Good pressure relief
- Easy setup
- Less edge support
- May sleep warmer than hybrids
Best for: Best Budget Cooling Mattress
Casper Nova Hybrid
★★★★★ 4.6 / 5 Best for Pressure Point Relief
The Nova Hybrid features three zones of support: softer under shoulders, firmer under hips, and medium for the lower back. Its breathable foam and coils promote airflow. The plush top layer cradles pressure points.
Type HybridThickness 13 inchesFirmness PlushCooling Breathable foam and coils
- Targeted pressure relief
- Good airflow
- Responsive feel
- May be too soft for heavier sleepers
- Premium price
Best for: Best for Pressure Point Relief
Sleep Number 360 i8 Smart Bed
★★★★★ 4.7 / 5 Best for Adjustable Firmness
The Sleep Number 360 i8 allows each sleeper to adjust firmness independently. Its DualAir technology provides personalized support. The mattress actively cools with a temperature-balancing layer.
Type Airbed hybridThickness 10 inchesFirmness AdjustableCooling Active air cooling
- Fully customizable firmness
- Excellent for couples
- Active cooling
- Very expensive
- Requires power
Best for: Best for Adjustable Firmness
Purple Plus Mattress
★★★★★ 4.8 / 5 Best for Hot Sleepers
The Purple Plus features a GelFlex grid that promotes airflow and stays cool. Its hyper-elastic polymer adapts to the body's curves, relieving pressure. The plus version adds a layer of comfort foam for extra softness.
Type HybridThickness 11 inchesFirmness MediumCooling GelFlex grid
- Exceptional airflow
- Unique pressure relief
- Durable materials
- Unique feel may not suit everyone
- Heavy
Best for: Best for Hot Sleepers
Bear Star Hybrid
★★★★★ 4.6 / 5 Best for Athletes and Active Sleepers
The Bear Star Hybrid uses Celliant technology to convert body heat into infrared energy, aiding recovery. Its copper-infused foam and gel beads provide cooling. The zoned support system aligns the spine.
Type HybridThickness 12 inchesFirmness Medium-firmCooling Copper and gel infusion
- Recovery-focused design
- Good cooling
- Supportive for active sleepers
- May be too firm for some
- Limited edge support
Best for: Best for Athletes and Active Sleepers
We evaluated each mattress based on its cooling mechanism, material quality, and suitability for side sleeping. Owner feedback and expert specifications guided our selections.
What to Look for in a Cooling Mattress for Side Sleepers
Cooling technology matters most for hot sleepers. Look for gel-infused foams, phase-change materials, or breathable coil systems. Pressure relief is equally critical for side sleepers. A mattress should cushion the shoulders and hips. Check the firmness level, as medium to medium-firm works best for most side sleepers.
How We Chose These Mattresses
We compared specifications like thickness, firmness, and cooling features. Owner feedback on comfort and durability influenced our picks. We prioritized models with proven cooling technologies. Each mattress was evaluated for its suitability for side sleeping. We also considered value for money and warranty coverage.
Cooling Technologies Explained
Gel-infused foam absorbs and dissipates heat. Phase-change materials actively regulate temperature. Hybrid designs use coils for better airflow. Some mattresses use copper or graphite for conductivity. Understanding these technologies helps you choose the right one.
Matching Mattress to Your Sleep Style
Side sleepers need softer zones for shoulders and hips. Firmer support under the lower back prevents misalignment. Consider your weight and body type. Heavier sleepers may need a firmer mattress. Lighter sleepers often prefer a plush feel.
Questions people ask
What is the best cooling mattress for side sleepers?
The Nectar Premier Copper is a top choice for its copper cooling and pressure relief. The Brooklyn Bedding Aurora Luxe is also excellent for its phase-change material. Both offer medium-firm support ideal for side sleepers.
How do I choose a cooling mattress for side sleeping?
Focus on cooling technology and pressure relief. Look for gel-infused foam or phase-change materials. Ensure the firmness is medium to medium-firm. Check for zoned support to cushion shoulders and hips.
Is a hybrid or memory foam mattress cooler for side sleepers?
Hybrids generally sleep cooler because coils allow better airflow. Memory foam can trap heat unless infused with cooling gel. The Purple Plus uses a unique grid for airflow, making it a cool option.
Can a cooling mattress help with night sweats?
Yes, cooling mattresses can reduce heat retention and promote airflow. They use materials like gel, copper, or phase-change layers. This helps regulate body temperature during sleep.
What firmness is best for side sleepers?
Medium to medium-firm is usually best for side sleepers. It provides enough cushioning for shoulders and hips. Too firm can cause pressure points, while too soft may lack support.
Are cooling mattresses worth the extra cost?
For hot sleepers, yes. Cooling features can significantly improve sleep quality. They often use advanced materials that also enhance durability. Consider your budget and sleeping habits.
How long does a cooling mattress last?
Most quality cooling mattresses last 7 to 10 years. Hybrids with coils tend to be more durable. Proper care, like using a mattress protector, can extend lifespan.
Do cooling mattresses require special maintenance?
No, they need the same care as other mattresses. Rotate them every few months to prevent sagging. Use a breathable mattress protector to keep them clean.
Can I try a cooling mattress before buying?
Many brands offer sleep trials. For example, Nectar offers a 365-night trial. Brooklyn Bedding provides a 120-night trial. This allows you to test the mattress at home.
What is the difference between gel and copper cooling?
Gel absorbs and disperses heat, while copper conducts it away. Both are effective. Copper also has antimicrobial properties. The choice depends on personal preference.
The bottom lineSo which one?
For most side sleepers, the Nectar Premier Copper offers the best blend of cooling and pressure relief. The Brooklyn Bedding Aurora Luxe is a close second for its value and adjustability. Budget-conscious buyers will find the Zinus Green Tea Cooling Gel a solid choice.
