As humans have progressed, our sleep systems have too. The first “sleep system” of humans consisted of frame of dirt and a mattress of grass. While this type of system is functional, it’s not too practical in modern times. Throughout human history several innovations have improved our sleep systems. Some of the most crucial innovations have involved the development of mattresses, box-springs, and pillows. Today, one of the biggest trends in the world of sleep systems is the memory foam mattress topper. (more…)