Sweetnight CoolNest Mattress
Best cooling mattress for side sleepers seeking affordable pressure relief.
This mattress is a masterclass in temperature regulation, using specialized foams and breathable fabrics to actively pull heat away from the body. It prioritizes a cool, undisturbed sleep environment, though the plush, zoned support system means you trade a bit of traditional bounce for deep, pressure-relieving stability.
$699.99
at
Walmart
More Coolnest options
Who it's for
- Hot sleepers seeking a consistently cool and breathable surface
- Light sleepers who share a bed with active partners
- Side and back sleepers needing joint support and comfort
Who should skip it
- People who frequently sit on the edge of the bed
- Individuals sensitive to smells or with poor room ventilation
- Solo dwellers or those with limited physical strength
Performance breakdown
Temperature Regulation
Advanced cooling cover and heat-wicking foam keep sleepers consistently comfortable.
Spinal Alignment
Five-zone support system effectively maintains neutral posture for various sleeping positions.
Motion Isolation
Responsive foam layers dampen movement, preventing disturbances from restless partners.
Pressure Relief
High-resilience materials contour well to alleviate tension in hips and shoulders.
Edge Support
Reinforced construction prevents the sinking sensation often found in softer mattresses.
Profile Height
The substantial 16-inch profile offers a luxurious, hotel-like sleep experience.
Key Specs
Firmness Level
Medium Soft
Thickness
16 inches
Comfort Layer Material
Memory Foam
Cooling Feature
Yes
Motion Isolation Feature
Yes
Edge Support Feature
Yes
Certifications
CertiPUR-US, OEKO-TEX Standard 100
Adjustable Base Compatible
Yes
Pressure Relief Feature
Yes
Sleep Position Preference
Side Sleeper, Back Sleeper, Combination Sleeper
Know before you buy
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Ask Metto anything about the Sweetnight CoolNest Mattress before you decide.
