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The Sweetnight CoolNest is a memory foam mattress with a cooling gel layer, available in two thicknesses and five sizes. It aims to sleep cooler than standard foam by dispersing heat, and its all-foam build isolates motion well. Owners often call it comfortable and supportive for the price, though some find it too firm or report it sleeps warm. It suits budget-conscious shoppers who want a foam mattress with a cooling claim, but those who prefer a soft feel or verified cool sleeping may want to compare with hybrid or latex options.
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Lowest price we've seen: $349.99 on Nov 11 at Home Depot. Tracked across 5 stores since Nov 11.
Reviewers generally find the CoolNest comfortable and supportive, with many praising its cooling effect and value. However, some complain it is too firm, retains heat, or has a strong initial odor.
The Sweetnight CoolNest is a gel memory foam mattress. It is made in Twin, Full, Queen, King and California King sizes.
The mattress comes in 12-inch and 14-inch thicknesses and is 80 inches long.

