Sweetnight CoolNest 14 Inch King Size Mattress, Cooling King
Original price was: $689.99.$549.99Current price is: $549.99.
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Sweetnight CoolNest 14″ King Size Mattress – Cooling Memory Foam for Restful Sleep
Product Overview
The Sweetnight CoolNest 14 Inch King Size Mattress is engineered for sleepers who prioritize temperature regulation, pressure relief, and long-lasting comfort. Featuring the brand’s proprietary CoolNest System, this mattress integrates PCMflux high-resilience foam with gel-infused memory foam to deliver a dual cooling effect that actively manages body heat throughout the night. Ideal for hot sleepers or those in warmer climates, it ensures a consistently cool sleeping surface without relying on external cooling aids like fans or ice packs.
With its medium firmness level, the CoolNest provides balanced support for various sleeping positions—offering enough give to cushion sensitive areas while maintaining spinal alignment. The 5-zone ergonomic support system adapts to your body’s contours, delivering targeted firmness under the spine and softer cushioning around shoulders and hips to reduce pressure points. Certified by CertiPUR-US, this mattress meets strict standards for safety, durability, and low emissions, ensuring peace of mind for health-conscious buyers.
Whether you’re upgrading from a traditional spring mattress or seeking a cooler alternative, the Sweetnight CoolNest offers a spacious, high-performance solution for undisturbed, restorative sleep.
Key Features & Benefits
1. Dual Cooling Technology (CoolNest System)
The standout feature of this mattress is its dual-layer cooling system, combining:
– PCMflux High-Resilience Foam: Phase-change material (PCM) embedded in the foam absorbs excess heat during hot nights and releases it when temperatures drop, maintaining optimal comfort.
– Gel-Infused Memory Foam: Strategically infused with cooling gel particles to dissipate heat away from the body, preventing overheating.
Together, these technologies work continuously to regulate temperature, making this mattress ideal for hot sleepers or those living in humid climates. Unlike passive cooling covers, this active system keeps you cool without external help.
2. 5-Zone Ergonomic Support
The mattress features five distinct support zones, each tailored to different parts of the body:
– Zones 1 & 5 (Head & Foot): Slightly softer to cradle the body and reduce pressure at extremities.
– Zone 2 (Shoulders & Hips): Medium-firm for contouring, relieving pressure from sensitive joints.
– Zones 3 & 4 (Spine & Lower Back): Firm support to align the spine, reducing back pain and promoting proper posture.
This zoned design ensures balanced weight distribution, minimizing tossing and turning caused by discomfort.
3. Medium Firmness for Versatility
With a medium firmness rating, the CoolNest suits a wide range of sleepers:
– Side Sleepers: Benefit from pressure relief on shoulders and hips.
– Back Sleepers: Enjoy spinal alignment without excessive sinking.
– Light Stomach Sleepers: Get moderate support to prevent sagging.
Unlike ultra-soft or ultra-firm mattresses, this balanced feel accommodates most body types and preferences without compromising support.
4. CertiPUR-US Certified Safety
All foam components meet CertiPUR-US standards, meaning they are free from:
– Harmful chemicals (phthalates, mercury, lead, formaldehyde)
– Excessive VOCs (Volatile Organic Compounds)
– Unwanted flame retardants
This certification guarantees a healthier, safer sleeping environment.
5. Spacious King-Size Comfort
Measuring 76″ x 80″ x 14″, this king-size mattress provides ample space for couples or individuals who dislike feeling cramped. The 14-inch thickness adds height for a plush feel while still being compatible with most bed frames.
Technical Specifications
| Feature | Details |
|———|———|
| Brand | Sweetnight |
| Model | CoolNest King Size |
| Dimensions | 76″ W x 80″ L x 14″ H |
| Firmness | Medium |
| Thickness | 14 inches |
| Certifications | CertiPUR-US Certified |
| Core Materials | PCMflux high-resilience foam + gel-infused memory foam |
| Support System | 5-zone ergonomic design |
| Size | King |
Who Should Choose This Mattress?
– Hot Sleepers: The dual cooling system prevents night sweats and overheating.
– Couples: Motion isolation reduces disturbances from partner movement.
– Back & Side Sleepers: Zoned support promotes spinal alignment and pressure relief.
– Eco-Conscious Buyers: CertiPUR-US certified materials ensure non-toxic sleep.
Important Notes
– Delivery & Setup: Ships compressed in a box; unbox immediately and allow 72 hours for full expansion.
– No Flipping Needed: The dense foam layers don’t require rotation or flipping.
– Protective Cover Recommended: Since there’s no built-in cover, consider a fitted sheet or mattress protector.
– Frame Compatibility: Check if your bed frame or adjustable base supports 14-inch mattresses.
Why Upgrade to the CoolNest?
If you’ve struggled with overheating or discomfort on traditional mattresses, the Sweetnight CoolNest offers a scientifically designed solution. The active cooling technology, zoned support, and medium firmness make it a versatile choice for diverse sleep needs. With CertiPUR-US certification, you can trust its safety and quality.
Experience the difference of a truly cool, supportive, and healthy sleep surface—order the Sweetnight CoolNest today!
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This rewrite expands on key benefits while preserving all original details, avoiding fluff, and maintaining buyer-focused language. Let me know if you’d like any further refinements!
6 reviews for Sweetnight CoolNest 14 Inch King Size Mattress, Cooling King
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Original price was: $689.99.$549.99Current price is: $549.99.
Jerry –
Cool, Supportive, and Great Value Mattress
The Sweetnight CoolNest 14” Queen Mattress has been a really comfortable upgrade. The cooling memory foam does a great job regulating temperature—I don’t wake up feeling overheated anymore, which was a big issue with my previous mattress.The 5-zone ergonomic support provides a nice balance of comfort and support, especially for my back and shoulders. It feels medium-firm, which works well whether I’m sleeping on my side or back.I also appreciate that it’s CertiPUR-US certified, so there’s no strong chemical smell and it feels safe to use. Setup was easy—just unbox and let it expand.Overall, it’s a comfortable, supportive, and cooling mattress at a great price point. Highly recommend for anyone looking for better sleep without breaking the bank!
Winn –
great mattress and comfortable
I was honestly a little nervous ordering a mattress online, but this one completely surprised me. It expanded quickly and had very little smell. The 14-inch thickness feels substantial, and it fits perfectly on my metal bed frame.I love the balance of support and comfort — it’s not too soft, not too firm. I usually wake up with lower back tension, but since switching to this mattress, I’ve been sleeping much deeper and waking up without stiffness. The cooling top actually makes a difference too; it doesn’t trap heat like my old memory foam did.For the price, the quality is impressive. It looks clean and modern in my bedroom and feels like a much more expensive mattress. Definitely a great buy!
Denise Bushey –
Luxury-Level Comfort, Night After Night
I hate when people say “for the price, it’s a great mattress.” You could charge $2,500 for this mattress and it would still be worth every dollar. It’s that comfortable. It feels genuinely luxurious the moment you lay down. My sleep quality improved immediately, and I wake up feeling rested instead of overheated. This mattress sleeps incredibly cool—like, noticeably cool to the touch.Honestly, if you’re reading this review, your mattress search is over. Pair it with bamboo sheets and you’ll feel like you’re waking up in a Four Seasons suite every morning. Comfortable, supportive, and impressively cool—this mattress delivers on everything.
dan –
Nice upgrade from my old mattress
It was easy to set up and expanded pretty quickly after opening. The queen size fits my bed frame well.The mattress feels comfortable overall, with a nice balance between softness and support. It’s soft enough to feel relaxing when lying down, but still firm enough that I don’t feel like I’m sinking in too much. I’ve been sleeping on my side and back without any discomfort.I also like the height and how it looks once the bed is made. It gives the bed a cleaner and more finished look compared to my old mattress. So far it has been a good upgrade for everyday sleep.For the price, I think it’s a solid option and feels worth it.
William Lu –
Exceptional Comfort and Cool Sleep Every Night
The Sweetnight CoolNest 14 inch king size mattress has truly improved my sleep quality. From the first night, I noticed a significant difference in how cool and comfortable I feel. The cooling memory foam layer really helps regulate temperature, which makes a noticeable difference during warmer nights. The medium feel is just right for me, offering both softness for comfort and enough support so I do not wake up with aches.The 5-zone ergonomic support design works exactly as described. Each area of the mattress targets pressure relief where it is needed most, especially under my back, hips, and shoulders. I no longer wake up with stiffness or soreness, and getting a restful night’s sleep has become much easier. The foam layers also contour beautifully to my body without feeling too sinky or unstable.I appreciate that this mattress is CertiPUR-US certified because it gives me confidence that the materials are safe and free from harmful chemicals. The overall build quality feels very solid and durable, and it looks great on my bed frame. Setup was simple and it expanded quickly once unboxed.Overall this mattress delivers on comfort, cooling, and support. It feels luxurious without being too firm or too soft, and it has made a real difference in my nightly rest. I highly recommend it for anyone seeking a cooler, more supportive sleep surface. Five stars.
LorrisNetork –
Maybe the matress tranfer me from springbox to memory foam
I’ve always preferred firm spring mattresses and honestly didn’t think memory foam would be for me. I had this idea that it would feel too soft, sink too much, or sleep hot. I bought the Cooling King Memory Foam Mattress mainly to give it a try, and after using it for a month, I’ve completely changed my mind. The first few nights took a little getting used to because the foam contours to your body differently than a traditional spring mattress. But after about a week, I started noticing that I was waking up feeling more relaxed. I used to have some neck and lower back stiffness in the mornings, and that’s pretty much gone now. The support is much better than I expected—it feels soft on top but still supportive underneath.One thing I didn’t expect was how evenly it distributes weight across the surface. Instead of feeling pressure in specific areas like my shoulders or hips, it feels more balanced and cushioned without losing that firm base I like. I also noticed that I don’t toss and turn as much during the night, probably because my body feels more supported in a natural position. Even when I switch sleeping positions, the mattress adjusts quickly without feeling like I’m stuck or sinking too deep. That combination of comfort and stability has made a noticeable difference in the overall quality of my sleep.I was also worried about heat retention, but so far it hasn’t felt overly warm or stuffy at night. It’s actually been quite comfortable temperature-wise. Overall, I’m genuinely surprised at how much I like it. If you’ve always been a firm spring mattress person like me and are hesitant about memory foam, it might be worth trying. It definitely changed my opinion.