An adjustable-air bed rather than a conventional mattress, with dual chambers letting each side of the bed be set independently, which is its genuine advantage for couples with different preferences. Pressure relief measured 9.5/10 and motion isolation 8.5/10. Two things deserve weight before buying: edge support measured 6/10, the weakest attribute, and the firmness figure here is a midpoint because the bed adjusts across roughly 3 to 8. Sleep Number rebranded its lineup in late 2025, so older reviews referencing c, p, or i series models describe different products.
Queen Price
$3,999
Specs & prices checked 2026-08-26 — see notes below.
The Sleep Number ComfortNext Lux is a medium Hybrid mattress (13", 5.5/10 firmness) at $3,999 for a queen. We put it through our Living Review durability program.
Best for: couples, side sleepers and luxury.
Keep in mind: Edge support measured 6/10, the weakest attribute and a known limitation of air-chamber construction.
Knit Cover
Breathable surface
Comfort Foam Layers
Contouring above the air chambers
Dual Adjustable Air Chambers
Independently adjustable firmness for each side of the bed
Support Base
Foundation beneath the air system
Cooling: Breathable knit cover, Air-chamber construction
| Size | Dimensions | Price |
|---|---|---|
| Queen | 60" x 80" | $3,999 |
A queen Sleep Number ComfortNext Lux is currently shown at $3,999; across priced sizes it runs $3,999–$3,999. Prices are manufacturer amounts observed 2026-08-26; promotions and configurations can change.
We rate it best for couples, side sleepers and luxury. It's a medium adjustable-air tri-brid scoring 7/10 for support and 7/10 for cooling in our analysis.
100-night sleep trial, 10-year limited warranty, Professional in-home setup.
It carries a 10-year limited warranty and 7/10 support in our analysis. Our Living Review provides directional sagging-risk estimates for years 1, 3, and 5 based on construction, cited evidence, and public owner-report patterns.
The Living Review covers long-term sagging risk, owner-reported failures, and how this model holds up at years 1, 3, and 5.
Read the Living Review
A tank of a mattress. The zoned coil system actively pushes back to keep the spine aligned, and the reinforced build resists the early sagging that kills cheaper hybrids. Our top durability scorer, backed by a lifetime warranty that makes the long-term math easy.
Queen
$1,799
The Helix Plus is purpose-built for the plus-size category with an 11.5-inch hybrid construction, Ultra Dense Memory Foam, Firm Memory Foam, XL Wrapped Coils, and DuraDense Foam. Helix publishes a 1,000-pound capacity for the current model, but it does not publish the foam densities used in this record. The Living Review's longer-term stability analysis therefore remains editorial rather than a manufacturer-confirmed density comparison.
Queen
$1,598.75
The WinkBed GravityLux uses proprietary AirCell Memory Foam, Zoned Progression Foam, and Atlas Core Foam in an 11-inch all-foam design. WinkBeds does not publish foam density on the current product page, so the Living Review's durability projections remain editorial analysis rather than a manufacturer-confirmed density claim. Backed by a lifetime warranty, it is WinkBeds's all-foam option for sleepers who want contouring without a hybrid coil unit.
Queen
$1,799