It’s important to do your homework on memory foam mattresses before you buy. Many companies offer memory foam mattresses, all claiming to be the best, or better than a Tempurpedic. Carefully compare the advantages and disadvantages of each before making your decision. After all, you’ll be spending a third of each day on the mattress you choose.

“I do fine on five hours a night,” insists Maureen S., a high school English teacher who stays up until the wee hours grading papers and planning the next day’s lessons. “Yeah, I do work long hours, but I make up for it on the weekends,” says Josh G., who works a full-time and a [...]