All Comparisons
    Mattress Comparison
    Siena Memory Foam mattress

    Siena Memory Foam

    VS
    SweetNight CoolNest mattress

    SweetNight CoolNest

    Siena Memory Foam vs. SweetNight CoolNest

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

    Winner: Siena

    By Sleep Sage Editorial Team

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

    Updated May 2026
    Category
    Siena Memory Foam
    SweetNight CoolNest
    Comfort
    8.6/10
    8.5/10
    Support
    8.4/10
    8.2/10
    Cooling
    8.2/10
    9/10
    Edge Support
    7.8/10
    7.2/10
    Motion Isolation
    9/10
    8.6/10
    Durability
    8.2/10
    8/10
    Value
    9.6/10
    9.4/10

    Quick Specs Comparison

    Spec
    Siena Memory Foam
    SweetNight CoolNest
    Price (Queen)
    $399
    $399
    Type
    Memory Foam
    Memory Foam
    Firmness
    6/10
    6/10
    Height
    10 inches
    12"
    Trial
    180 nights
    100 nights
    Warranty
    10 years
    10 years
    Shipping
    Free shipping
    Free shipping & returns

    Key Advantages

    Why Choose Siena Memory Foam

    • Under $500 for a Queen
    • 180-night trial — best in budget category
    • Genuine memory foam comfort

    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

    Still Not Sure Which to Choose?

    Take our personalized sleep quiz to get matched with the ideal mattress for your needs.

    Take the Sleep QuizView All Comparisons

    More Resources

    Brands behind these picks

    Before you buy, read the brand: construction, pricing bands, trial and warranty terms, and how each company's lineup performed in our Encinitas lab.

    Browse every mattress brand we cover

    Continue exploring

    Hand-picked guides and reviews from our editorial team.