The all NEW Serta® Perfect Sleeper® Line has been engineered with input from the National Sleep Foundation to help solve 5 common sleep problems: Tossing and Turning, Lack of Support Leading to Back Pain, Sleeping too Hot or too Cold, Partner Disturbance, and Mattress Roll-Off or Sag. If you struggle with any of these problems the Serta® Perfect Sleeper® is the solution for you.