A friend recently purchased a new mattress for her son, who is attending college in New York and relies solely on public transportation. I'd recommended Amerisleep to her, which was perfect because it could be shipped directly to his door, but after discussing it, we decided that investing in an Amerisleep twin mattress might not be the best choice. He would be leaving school in less than two years and needed a cheap, temporary solution. We spent some time comparison shopping online. Based on cost alone, our top choice was a Sleep Number bed, which was on sale for $399. My friend said, "Two hundred a year is nothing compared to tuition. Sold!" We'd read some iffy reviews online about Sleep Number mattresses not lasting, an opinion reinforced by their abysmally short warranty, but hoped it would at least make it two years. I helped her navigate the checkout process, entering all of her son's delivery information, and felt confident in our choice. Then, Sleep