Sweetnight CoolNest Hybrid King Size Mattress 14 Inch, Cooling Pillow Top | Cool Night Sleep for Hot Sleeper, 7-Zone Ergo Support for Pressure Relief, 4 Stage Cool Enhanced Breathability, Medium Firm
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Availability:
Only 2 left in stock, order soon!
Arrives
Saturday, Aug 8
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Size: King (U.S. Standard)
Set name: 14"
Features
- Three-Stage Cooling System: CoolNest technology delivers instant, adaptive, and sustained cool in this king mattress. Ice Silk Cover provides instant cool feel. PCMflux foam actively adapts to body temperature, ensuring your Sweetnight king size mattress stays comfortably cool all night
- Dynamic Coil Support Technology: 600 individually wrapped Dynamic Coils in this king mattress respond independently to pressure changes, providing support. Motion transfer reduced by 70% (<15% transfer rate) for undisturbed sleep in your king size mattresses
- DuoSense Pillow Top Comfort: Upper gel memory foam delivers cool, pressure-relieving cushioning while lower 3D comfort foam provides resilient support in this king mattress. Reduces pressure by 32%, creating a gentle cradle-like feel that absorbs movement all night
- Reinforced Edge Support: High-density foam encasement surrounds this king mattress perimeter for superior edge stability. Sit or sleep near the edge with confidenceno sagging or rolling off. Maximizes usable sleep surface on your Sweetnight king size mattress
- Certified Safe & Healthy: This king mattress features CertiPUR-US certified foam and OEKO-TEX cover for a hypoallergenic, fiberglass-free sleep environment. ACA recognized for back support. Vacuum compressed king size in a boxexpands to full shape within 72 hours
Brand: Sweetnight
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 14"Th
Item Weight: 133.4 pounds
Item Firmness Description: Medium Firm
Top Style: Pillow Top
Cover Material: Cooling Ice Silk Cover
Number of Layers: 4
Fill Material: Advanced Dual-Support Foam, Dynamic Coil, Gel Memory Foam, PCMflux High Resilience Foam
Special Feature: Breathable, Durable, Low Motion Transfer, Pressure Relief, Removable Cover
Item Firmness Description: Medium Firm
Number of Layers: 4
Additional Features: Breathable, Durable, Low Motion Transfer, Pressure Relief, Removable Cover
Mattress Coil Type: Pocketed Coil
Construction Type: Hybrid
Number of Mattress Coils: 600
Size: King (U.S. Standard)
Item Dimensions L x W x Thickness: 80"L x 76"W x 14"Th
Item Weight: 133.4 pounds
Item Thickness: 14 inches
Item Depth: 14 inches
Item Dimensions: 80 x 76 x 14 inches
Cover Material: Cooling Ice Silk Cover
Fill Material: Advanced Dual-Support Foam, Dynamic Coil, Gel Memory Foam, PCMflux High Resilience Foam
Mattress Comfort Layer Material: Comfort Foam, Gel Memory Foam
Material Type: Cooling Ice Silk Cover, Dynamic Coil, Gel Foam, PCMflux High Resilience Foam
top-style: Pillow Top
Color: Blue&grey
Style Name: 14"
Brand Name: Sweetnight
Model Name: SNMSPRO35
Product Benefits: Back Pain Relief, Hypoallergenic, Improves Sleep, Stress Relief
Model Number: SNMSPRO35
Number of Items: 1
Mattress Type: Standard Mattress
Number of Packs: 1
Global Trade Identification Number: 88
Manufacturer: PT Prestova Home Living Indonesia
Unit Count: 1 Count
Included Components: king size mattress
Item Type Name: Bed Mattress Conventional
Manufacturer Part Number: SNMSPRO35
Set Name: 14"
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Aug 8
Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: King (U.S. Standard)
Set name: 14"
When shopping for a mattress, my top priority was “space.” My husband and I are both on the larger side, and our old, standard mattress made sleeping together feel very cramped—even the slightest toss and turn would disturb each other, not to mention our Golden Retriever and two kids who occasionally join us in bed. This time, we took the plunge and upgraded to this hybrid mattress, and it truly feels like we’ve gone from economy class to first class! It’s so spacious that our whole family—plus the dog—can sprawl out in every direction without getting in each other’s way. What’s even more surprising is its thickness; the mattress looks incredibly sturdy and substantial, and the edge support is excellent—you won’t slide off even when sitting right at the edge. Once you experience this kind of sleeping environment—where there’s plenty of space yet no one disturbs anyone else—there’s simply no going back. The pillow top not only offers ultimate comfort, but the fabric’s texture and craftsmanship are nothing short of art. It feels silky smooth and gentle against the skin, just like high-end knitwear. Details make all the difference: from the meticulous stitching to the sturdy edge binding, you can see the brand’s dedication in every detail. In fact, a major reason I chose this mattress was its CertiPUR-US certification. This means the foam used contains no formaldehyde, heavy metals, or other harmful substances. Sleeping on it not only feels physically comfortable but also gives me peace of mind—the fresh, clean sleeping environment puts my mind at ease.
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Reviewed in the United States on May 22, 2026 by Sclectress
Size: King (U.S. Standard)
Set name: 14"
We got this Sweetnight CoolNest mattress after a friend recommended it, mainly because our old mattress got damaged during a recent move. We’ve also been on a bit of a budget lately, so after trying a bunch of $2000–$3000 mattresses in stores (honestly the only ones we both liked, but just couldn’t really justify), we figured we’d try this ~$700 king mattress with pretty low expectations. First impression when it arrived: it’s REALLY heavy. We actually struggled a bit getting it up to the second floor. After we opened it, it actually felt a bit softer than expected. But by the second day, it really came into its own—the support felt much more even and balanced. Now it’s a nice medium-firm feel. Supportive, but still comfortable. Side sleeping is way better than I expected, and movement feels pretty stable too. The cooling top layer was a surprise as well. Even through a mattress protector and sheets, you can still feel a slight cool touch. I was honestly skeptical about the cooling claims, but it does feel less hot than our old memory foam mattress. Overall, for around $700, it’s been surprisingly good value—especially compared to the much more expensive ones we tried in stores.
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Reviewed in the United States on June 2, 2026 by Joyce G
Size: Queen (U.S. Standard)
Set name: 14"
Genuinely impressed with this 14” Coolnest Mattress. From the first night, the comfort level stood out, it has the perfect balance of softness on top with solid, supportive layers underneath. The quilted top feels plush without sinking too much. It looks high-quality too, the stitching and materials feel durable and well-made. Setup was quick and easy, it came with a nice slider cutter to slice the plastic, and it expanded nicely with no weird odors. Overall, this mattress delivers really nice comfort, support, and temperature control. I’d absolutely recommend it to anyone looking for a premium sleep upgrade.
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Reviewed in the United States on April 18, 2026 by angel marie
Size: King (U.S. Standard)
Set name: 14"
What a comfortable mattress! Perfect mix of soft to firm ratio and the pillow top addition is just right! Sleeps very cool. No sinking on the sides and is very durable and well made. Expands quickly and easy to unbox, no smell and very soft. 10/10 recommend purchasing, it has turned out to be such an upgrade from my previous mattress and worth the price!
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Reviewed in the United States on July 31, 2026 by Summer
Size: King (U.S. Standard)
Set name: 14"
We’ve been sleeping on the Sweetnight CoolNest King Mattress for a few weeks now, and it’s been a great upgrade. The mattress has the perfect medium firm feel supportive enough for back support while still being soft and comfortable thanks to the pillow top. One thing I noticed right away was how cool it sleeps compared to our previous mattress. The cooling feature really helps, especially during warmer nights. The hybrid design gives a nice balance of support and pressure relief, and I wake up with much less stiffness in my shoulders and back. The mattress expanded quickly after unboxing. For the quality and comfort, it’s an excellent value. If you’re looking for a supportive mattress that stays cool and provides a comfortable night’s sleep, I would definitely recommend this one.
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Reviewed in the United States on June 15, 2026 by Deep Khambhayata
Size: King (U.S. Standard)
Set name: 14"
I’m extremely sensitive to dust and stuffy environments—even the slightest lack of breathability makes me sneeze and break out in a rash. The CertiPUR-US certification on this mattress was the first thing that put my mind at ease, as it guarantees no harmful volatile compounds. The DuoSense pillow top not only provides a cooling sensation but is also extremely breathable, reducing moisture buildup and dust mite growth. The hybrid construction is a hundred times more breathable than pure foam, keeping my back dry all summer long. The cooling effect of up to 8° covers the entire king-size surface, so it stays cool no matter which side I sleep on. Combined with the soft feel of the DuoSense pillow top, it offers both the cooling effect of air conditioning and cloud-like comfort, while still providing firm-to-medium support. This firm-to-medium support also promotes better blood circulation. This mattress has significantly improved my allergies and sleep issues! It’s solidly built with neat stitching. The thickness provides a real sense of security. I’m a restless sleeper, but the pressure relief of the DuoSense pillow top and the medium-firm base support ensure my spine is firmly supported no matter which position I roll into, and my shoulders and neck aren’t compressed. It has not only improved my sleep but also enhanced the quality of life for the whole family. Every detail exudes quality—ample space, excellent support, and a cool sleeping surface—these are the essentials for deep sleep. The entire bed is perfect from top to bottom and side to side; it was every penny worth!
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Reviewed in the United States on May 16, 2026 by Tamara Wicks
Size: King (U.S. Standard)
Set name: 14"
The mattress is high quality and sleeps extremely comfortably… the only issue I had is it is heavy and fitting the sheets under the corners is difficult. The company is committed to customer service and satisfaction. When I brought this to their attention they did not hesitate to return or exchange. I chose to keep the mattress because the quality overrode the inconvenience.
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Reviewed in the United States on May 28, 2026 by Jennifer S Amo
Size: King (U.S. Standard)
Set name: 14"
As a “perfectionist” with an almost obsessive attention to detail when it comes to sleep products, I thoroughly research every material specification before purchasing a mattress. The materials in this mattress offer exceptional elasticity and contouring; when you lie down, it precisely fills the gaps around your neck and legs like a cloud, providing a superior sense of envelopment. At the same time, the memory foam begins to take effect, gradually absorbing pressure from every part of your body. Combined with a medium-firm feel, it truly achieves the perfect balance of “soft where it should be, firm where it needs to be.” The mattress’s thickness gives the bed an incredibly luxurious and grand appearance. I’m extremely sensitive to heat. Even in summer with the AC on, if a mattress isn’t breathable, my back immediately breaks out in a sweat—it gets so sticky I can’t fall asleep. The materials used here feel instantly cool to the touch; the moment you lie down, it’s like resting on a cool bamboo mat. Now, even if I sweat in the middle of the night, the mattress surface stays relatively dry, without that unpleasant sticky feeling. The cool feel, combined with CertiPUR-US eco-certification, makes it flawless in every way—from touch and sight to smell. For those who pursue a high-quality lifestyle, the details of this mattress absolutely stand up to close scrutiny. The moment I opened the packaging, there was truly no pungent odor—just the faint scent of new fabric. After leaving it in a well-ventilated area for half a day, I slept soundly without a worry.
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Reviewed in the United States on April 29, 2026 by Robert Cordell