$1,500 to $2,600How We Test Mattresses AccordionItemContainerButton LargeChevron WIRED has tested mattresses since 2019. AccordionItemContainerButton LargeChevron Mattresses go on sale often—Presidents’ Day has somehow become the biggest sale day of the year, as famously mentioned on Nate Bargatze's Saturday Night Live skit. AccordionItemContainerButton LargeChevron Most of the picks we've tested and recommend have at least a 100-night testing period and a 10-year warranty. Bed-in-a-box mattresses, on the other hand, are either foam or hybrids that layer foam with built-in springs. AccordionItemContainerButton LargeChevron The prices in our guide are based on the queen size, which is the most popular size in the US.