Adjustable Beds - Version 1.0 Adjustable beds review - How To Choose That Comfortable Bed And Mattress. The type of bed and mattress is a critical decision for people with back problems. While little is known about the type of mattress is good for the back and little medical information about adjustable beds, there are still a lot of questions as to whether or not an adjustable bed is a better alternative for flat mattresses for people suffering from back problems.