Sweetnight CoolNest 14 Inch King Size Mattress
Cooling King Memory Foam Mattress for Cool Night Sleep, 5-Zone Ergo Support for Pressure Relief, Medium…
Price as of 2026-06-08. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$88–$217
- Mid-range:$217–$381
- Premium:$381+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in Mattresses
- •You're on a tight budget — $225 above the category average of $325
- •SLEEP100 Queen Mattress 12 Inch — 58% cheaper at $230 (Score B)
📊 Based on data analysis of 90 products in this category.
Mubboo Score: C+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Mattresses
Computed from live Amazon rating, review count, and price across 90 Mattresses available to US consumers · last refreshed 2026-06-08.
How It Compares
This Product Sweetnight CoolNest 14 Inch King Size Mattress | Most Popular Zinus Lumbar+ Premium Memory Foam Mattress | Best Rated COOL GEL Classic Brands Cool Gel Chill Memory Foam 14-Inch | Best Value SLEEP100 Queen Mattress 12 Inch | |
|---|---|---|---|---|
| Price | $549.99 | $499.99 | $509.99 | $229.99 |
| Rating | 4.5/5 | 4.3/5 | 4.5/5 | 4.4/5 |
| Reviews | 921 | 168,108 | 61,269 | 1,120 |
| Mubboo Score | C+ | B+ | B | B |
Quick Specs
- Size
- King (U.S. Standard)
- Color
- Grey & Blue
- Set Name
- King 14 Inch
- Top Style
- Tight Top
- top-style
- Tight Top
- Item Depth
- 14 inches
- Style Name
- 14 Inch
- Item Weight
- 90.1 Pounds
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Consider your firmness preference, as the mattress can feel too firm for lighter individuals and varies with room temperature. Verify the model is fiberglass-free to avoid potential contamination, and note that some users report long-term sagging.
- Exceptional Comfort & Pressure Relief
- Outstanding Value for Money
- Easy Setup & No Off-Gassing
- Motion Isolation
- Firmness Issues / Temperature Sensitivity
- Long-term Durability Concerns (Sagging, Mold)
- Fiberglass Contamination Risk
Expert Picks in Mattresses
- Casper Snow — Hot sleepers and couples
- Sleep On Latex Pure Green Organic — Back/stomach sleepers and durability seekers
- Tuft and Needle Mint — Combination sleepers and couples
- Silk & Snow Mattress — Side sleepers on a budget
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 Best Mattress Brands: Our TOP Picks In 2026 (Not Sponsored) — Consumer Research Studios
- 📹 The Best Mattress Brands of 2026 – What YOU Need To Know! — Sleep Doctor
- 📹 We Tested 100+ Mattresses—These Are Worth It — Forbes
Key Features
- ✦CoolNest System for a Cooler Night - The CoolNest 14-inch king size mattress features our innovative CoolNest System, combining PCM high-resilience foam with gel-infused memory foa…
- ✦5-Zone Support for Pressure Relief - Engineered with a 5-zone design, this king foam mattress integrates support foam and comfort foam to help cushion pressure areas from head to t…
- ✦Motion Isolation for Undisturbed Sleep - Constructed with multiple layers of memory foam, the CoolNest 14-inch king memory foam mattress helps absorb motion and reduce vibrations. …
- ✦Enhanced Breathability for Cooler Comfort - The CoolNest cover incorporates 3D-woven technology, featuring a ventilation pore design that improves breathability by 35% compared to …
- ✦Restful Sleep & King Size Mattress in a Box - The Sweetnight CoolNest gel-infused memory foam mattress features CertiPUR-US certified foams and an OEKO-TEX certified cover, which p…
Source: product listing on Amazon.
About Sweetnight
- 4 products in our database
- Average rating: 4.5/5 across all products
- Price range: $469.99 – $699.99
- Categories: Mattresses
If not the CoolNest 14 Inch King Size Mattress, consider these
Bottom Line
Sweetnight CoolNest 14 Inch King Size Mattress earns Mubboo Score C+. Priced at $550 — a premium option, above the category average of $325. Rated 4.5/5 from 921+ reviews. Strong buy if: buyers who prioritize quality over price in mattresses. Skip if: you're on a tight budget — Zinus Lumbar+ Premium Memory Foam Mattress (Score B+, $500) may fit better.
Frequently Asked Questions
Is the Sweetnight CoolNest 14 Inch King Size Mattress worth buying in 2026?
It earns a Mubboo Score of C+, with a 4.5/5 rating from 921 reviews — better than 72% of Mattresses we track.
How much does the Sweetnight CoolNest 14 Inch King Size Mattress cost?
It is currently $549.99 — premium-tier pricing for Mattresses.
How does the CoolNest 14 Inch King Size Mattress compare to other Mattresses?
The category's most-reviewed alternative is the Zinus Lumbar+ Premium Memory Foam Mattress (4.3/5, 168,108 reviews, $499.99). The CoolNest 14 Inch King Size Mattress carries a Mubboo Score of C+ vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-08) and may change.