Sleep Number’s New ComfortNext Lux This is the brand’s most advanced smart mattress to date, and a notable evolution from earlier models that focused primarily on adjustable firmness. Starting at $3,999 for queen, the 13-inch mattress utilizes a new Tri-Brid construction that layers micro coils, responsive foam, and Sleep Number’s signature adjustable air chambers to provide more targeted pressure relief, motion isolation, and personalized support.
