Published on: 2025-06-18 13:00:00
Our sleep experts have been rolling around and sleeping on different beds for years. Having tested approximately 350 mattresses from dozens of brands, our team has a good grasp on mattress firmness levels. Even with our strategic testing processes and extensive experience, our assessments have been solely subjective -- until recently. Brought to life by CNET Labs' tech experts Bryan Adams, Jared Hannah and Steve Conaway, our proprietary Mattress Smasher 9000 machine offers an objective way to d
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