This CNET-Only Machine Measures Mattress Firmness. Here's What We've Learned

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 determine mattresses' firmness levels. This neat device has already smashed over 100 beds and counting. This number rises weekly as our experts continue to test the beds currently stored in our expansive mattress warehouse and the new mattresses we regularly receive to review. Read more: We Use Tech to Test Beds: Say Hello to the Mattress Smasher 9000 Watch senior video producer Owen Poole explain how the Mattress Smasher works and why it changed the way we test beds. The mattress-smashing pr ... Read full article.