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    Mattress Comparison
    Sleep Number ComfortMode Lux mattress

    Sleep Number ComfortMode Lux

    VS
    Casper Snow Hybrid mattress

    Casper Snow Hybrid

    Sleep Number ComfortMode Lux vs. Casper Snow Hybrid

    Side-by-side comparison of the Sleep Number ComfortMode Lux (Air Chamber Hybrid) and Casper Snow Hybrid (Hybrid). Compare comfort, cooling, support, value and more — based on our lab testing.

    Winner: Casper

    By Sleep Sage Editorial Team

    Side-by-side mattress testing · 144+ comparisons published

    Updated May 2026
    Category
    Sleep Number ComfortMode Lux
    Casper Snow Hybrid
    Comfort
    8.3/10
    9/10
    Support
    8.2/10
    9/10
    Cooling
    8/10
    9.6/10
    Edge Support
    7.2/10
    8.8/10
    Motion Isolation
    9/10
    8.8/10
    Durability
    7.8/10
    9/10
    Value
    7.2/10
    8.5/10

    Quick Specs Comparison

    Spec
    Sleep Number ComfortMode Lux
    Casper Snow Hybrid
    Price (Queen)
    $2,099
    $1,904
    Type
    Air Chamber Hybrid
    Hybrid
    Firmness
    5/10
    5.5/10
    Height
    11 inches
    12 inches
    Trial
    100 nights
    100 nights
    Warranty
    15 years
    10 years
    Shipping
    In-home delivery
    Free shipping & returns

    Key Advantages

    Why Choose Sleep Number ComfortMode Lux

    • 25% more cooling materials than ComfortMode
    • Advanced hip relief for side sleepers
    • 11-inch profile for better cushioning

    Why Choose Casper Snow Hybrid

    • The coolest-sleeping mattress Casper builds
    • Cool-to-the-touch QuickCool cover
    • Conforming memory foam feel without heat trap

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