床垫选购指南：舒适支撑不一定要高价

Foam mattresses-in-a-box get a lot of attention, but traditional innerspring styles remain the biggest sellers. No matter which type you prefer, the key to comfort is support—and it doesn’t have to come at a high price. You’ll find some terrific bargains in our ratings. ADVICE What to Look For What to Skip require you to buy their box spring to receive full warranty coverage. ■ Use our ratings to select a mattress that scores Very Good or Excellent for your size and sleep position. ■ Our tests show that layers of gel-infused foam, touted to provide a cooling effect, don’t guarantee cooler sleep. …