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    Mattress Comparison
    Charles by Allswell mattress

    Charles by Allswell

    VS
    SweetNight CoolNest mattress

    SweetNight CoolNest

    Charles by Allswell vs. SweetNight CoolNest

    Side-by-side comparison of the Charles by Allswell (Hybrid) and SweetNight CoolNest (Memory Foam). Compare comfort, cooling, support, value and more — based on our lab testing.

    Winner: Allswell

    By Sleep Sage Editorial Team

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

    Updated May 2026
    Category
    Charles by Allswell
    SweetNight CoolNest
    Comfort
    8.4/10
    8.5/10
    Support
    8.5/10
    8.2/10
    Cooling
    8.3/10
    9/10
    Edge Support
    8/10
    7.2/10
    Motion Isolation
    8.6/10
    8.6/10
    Durability
    8/10
    8/10
    Value
    9.7/10
    9.4/10

    Quick Specs Comparison

    Spec
    Charles by Allswell
    SweetNight CoolNest
    Price (Queen)
    $339
    $399
    Type
    Hybrid
    Memory Foam
    Firmness
    6.5/10
    6/10
    Height
    10 inches
    12"
    Trial
    100 nights
    100 nights
    Warranty
    10 years
    10 years
    Shipping
    Free shipping
    Free shipping & returns

    Key Advantages

    Why Choose Charles by Allswell

    • Under $350 for a hybrid Queen
    • Pocketed coils + memory foam
    • Walmart's return policy

    Why Choose SweetNight CoolNest

    • Exceptional cooling with 4-layer CoolNest temperature regulation system
    • Outstanding value — Queen size under $400
    • ACA certified for spinal support and alignment

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