Sweetnight CoolNest 14 Inch Cooling Memory Foam Mattress King
- King, 80 x 76 inches, U.S. standard
- 14 inches thick
- 6 layers, gel memory foam and high density foam
- Medium firmness
- 5 zone support for pressure relief
- 86.6 lb mattress weight
- CertiPUR-US certified foam
- Polyester cover, tight top
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An all foam king mattress with a medium feel and zoned support for sleepers who want pressure relief and less motion from a partner. No coils are listed, so anyone who wants spring bounce should look at a hybrid instead.
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ASIN: B0F4JQT2P5Category: Mattresses
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Overview
A king bedroom gets a full foam bed with the Sweetnight CoolNest, built from gel memory foam over high density support foam under a tight polyester cover. Zoned support targets pressure relief, and the gel foam is meant to help regulate temperature.
Low motion transfer and a medium feel make it a sensible shared bed, since one sleeper turning over is less likely to wake the other. Cooling rests on gel foam and a breathable build rather than any active system. The listing gives no warranty or trial terms, so check those before ordering.
Who it's for
Partners who wake each other when turning get a foam bed that damps movement and relieves pressure points. Shoppers who need a firm surface, or anyone chasing spring bounce, should choose differently.
Pros and cons
- Gel memory foam for temperature regulation
- Zoned support for pressure relief
- Low motion transfer for couples
- CertiPUR-US certified foam
- Warranty not listed
- All foam, no spring bounce
- Heavy to move at king size
- Medium only, no firmness options
Performance notes
Comfort comes from the gel memory foam contouring under pressure, with the high density foam below setting how far you sink. The zoned layout varies support along the body. Heat handling depends on the gel and the breathable construction, so a warm room still matters.
Specifications
| Brand | Sweetnight |
|---|---|
| Dimensions & fit | |
| Size | King (U.S. Standard) |
| Item weight | 86.6 pounds |
| Item Dimensions L x W x Thickness | 80 × 76 × 14 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Construction Type | Memory Foam |
| Mattress Comfort Layer Material | Comfort Foam |
| Cover Material | Polyester |
| Color | Grey And Blue |
| Other details | |
| Item Thickness | 14 inches |
| Item Firmness Description | Medium |
| topstyle | Tight Top |
| Number of Layers | 6 |
| Mattress Type | Standard Mattress |
Frequently asked questions
Is the Sweetnight CoolNest a hybrid mattress with springs?
No. It is listed as memory foam construction with gel memory foam, high density foam and memory foam layers. No coils are listed.
Is the Sweetnight CoolNest king mattress good for couples?
It is listed with low motion transfer, so one sleeper's movement is less likely to carry across the bed.
Does the Sweetnight CoolNest sleep cool?
It uses gel memory foam and is listed as breathable and temperature regulating. No active cooling is listed.