The Mattress Smasher 9000 getting ready to smash a bed and provide us with an objective firmness score. CNET’s sleep team has spent years testing, researching and ripping open mattresses. At this point, we’ve collectively tested over 300 mattresses. Most of the testing happens in our 6,000-square-foot testing facility in Reno, Nevada. During that time,…

Photo By CNET

Photo By CNET