With so many options to choose from today, it can be hard to find a mattress that meets your needs—and those of your partner's, if you don't sleep alone.

"Lots of mattresses claim high-quality materials and design, and they might spend a lot on marketing, but is it the right mattress for you?" says Christopher Regan, who oversees CR’s mattress tests. "Our tests help separate the stellar mattresses from those that might lack support."

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How We Test for Size and Sleep Style

For the side-sleeping score, we observe several points along each subject’s spine and measure how much they diverge from a straight line. For a test model to score well, the points must remain fairly parallel to the surface of the mattress.

In our support tests for back sleepers, we use human subjects (people!) of small and large stature. Test technicians graph 36 points along the spine using displacement sensors to measure the physical distance between the back and the mattress to analyze whether a mattress maintains the natural curve of the spine. This is combined with a separate test that uses hundreds of sensors on the bed to measure the level of pressure where the body comes in contact with the mattress.

We average the results of the small and large test subjects to produce a score for average-sized sleepers. A mattress that has great back support for a petite back sleeper may not work for a back sleeper who's substantially larger.

The innerspring, foam, and adjustable air mattresses below that passed our tests with flying colors are from brands including Avocado, Casper, Charles P. Rogers, Sleep on Latex, and Sleep Number. For a wider range of more than 100 mattresses we've tested and more than 40 brands at a range of price points from $250 to $4,500, check out our mattress ratings

Best Foam Mattresses for All Sizes

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Best Innerspring Mattresses for All Sizes

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Best Adjustable Air Mattress for All Sizes

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Tips for Buying a Mattress

Tossing and turning all night? Maybe it’s time for a new mattress. On the 'Consumer 101' TV show, CR expert Chris Regan shares tips on what to look for when mattress shopping.