Our sleep writer found the seven best box springs and mattress ... Kingsdown, and Serta. A good box spring ... and 3.6 inches apart on the queen and king sizes. The box spring comes in ...

Serta Five Star Mattress: queen from $299 at SertaYou can get a Serta Five Star Mattress for as little as $199 when you buy a twin-size 8" model. Meanwhile, a queen in the same profile is $299.

Serta 10″ Queen Medium Tight Top Cooling Gel Memory Foam Mattress. $549 Now $378. ... Queen Size Hybrid Cooling Gel Memory Foam and Innerspring Box Spring Mattress. $310.68 Now $158.68.

Right now, you can buy the Serta Perfect Sleeper Midsummer Nights mattress in a queen size for just $449 at Walmart. That's the same price as a twin size, but you'll be getting a lot more mattress ...

Queen Mattress, Memory Foam Mattress Queen Size, 10 Inch Hybrid Mattress in a Box with Individual Pocket Spring for Motion Isolation & Silent Sleep $158 (was $275.99) ...

Serta Simmons Bedding, the nation's largest mattress manufacturer, is further expanding its bed-in-a-box offerings, upping the game in an increasingly competitive industry. The Atlanta-based ...