Rather, nearly every bed made by Personal Comfort is produced to directly compete with a corresponding Sleep Number model. Theres not just one bed by Personal Comfort that compares to a Sleep Number. A Consumer Reports survey found people with neck and back pain reported better sleep on adjustable air beds such as Sleep Number mattresses, where firmness could be precisely tweaked. For the best support, a bed should conform to your weight and form, with different amounts of density where the body is heavier or lighter, says Jacobson. Heavier people tend to require firmer mattresses to support their bodys pressure zones, for example. Your body type can determine what level of fitness is necessary for a good nights sleep. Like with any mattress, the most essential criterion for a smart bed is whether it delivers the support you need for spinal alignment, says Bert Jacobson, head of the School of Kinesiology, Applied Health and Recreation at Oklahoma State University, who researches the impact of sleep surfaces on slumber quality. Sleep Number i8 Modular Base Queen Mattress Set

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