Best Side-Sleeper Mattress 2025: Picked by a Sleep Science Coach

MattressMattress TypeMaterialsSizes AvailableAdd-ons AvailableShipping CostsDelivery OptionsTrial PeriodWarrantyFinancingCompatible With Adjustable Frames?Nolah EvolutionHybridOrganic cotton or GlacioTex cover, AirFoam Luxe memory foams, gel memory foam, AirBreath border gusset, pocketed coilsTwin, twin XL, full, queen, king, California king, split kingPlush, luxury firm, firmGlacioTex cooling coverFree for customers in the contiguous USArrives in a box as part of standard shipping; white-glove delivery available (mattress setup and old bed removal) for $225100 nights; 30-day break in period required before initiating return ($99 shipping fee)Limited lifetimeFinancing available with AffirmBear Elite HybridHybridPhase change material (PCM) cooling cover, copper-infused memory foam, dynamic memory foam, pocketed coilsTwin, twin XL, full, queen, king, California king, split kingSoft, medium, firmCelliant-infused cooling coverFree for customers in the contiguous USArrives in a box within three to seven business days; white-glove delivery service available. Setup is $100, setup and old bed removal is $200120 nights; 30-day break-in period required before initiating returnLimited lifetimeFinancing available with AffirmHelix Midnight LuxeHybridTencel cover, memory foams, pocketed coilsTwin, twin XL, full, queen, king, California king, short queen, RV kingMediumGlacioTex cooling cover, CoolForce Layer, ErgoAlign Contour LayerFree for customers in the contiguous USDelivered in six to 10 days in a box; setup handled by customer100 nights; 30-day break-in period required before initiating returnLimited lifetimeFinancing available with AffirmLeesa Sapira ChillHybridPhase change cooling cover, cooling memory foams, pocketed coilsTwin, twin XL, full, queen, king, California kingPlush, medium firm, firmGlacioTex cooling coverFree for customers in the contiguous US-Arrives in a box in three to seven business days; white glove delivery available within contiguous US (mattress setup and old bed removal) for $199100 nights; 30-day break in period required before initiating return. Customers in Alaska, Hawaii, and Canada will have $100 return feesLimited lifetimeFinancing available with Affirm or PayPal CreditNaturepedic EOS ClassicHybridOrganic cotton cover, plant-based PLA layer, organic wool batting, organic latex, organic cotton batting, organic cotton fill and fabric, pocketed coilsTwin, twin XL, full, queen, king, California kingPlush, medium, cushion firm, firm, extra firm (each side can have different firmnesses)N/AFree for customers in the contiguous USArrives in a box as part of standard shipping. For contiguous US shoppers, mattress setup for $299, or mattress setup, old bed removal for $349100 nights; 30 day break-in period required before initiating return25 year limitedFinancing available with AffirmSaatva Contour5Memory foamCotton cover, memory foamTwin, twin XL, full, queen, king, California king, split kingMedium, firmN/AFree for customers in the contiguous USWhite glove delivery included with purchaseYear long sleep trial; $99 return feeLifetimeFinancing available with AffirmBirch Luxe NaturalHybridOrganic cotton cover, wool, organic latex, pocketed coilsTwin, twin XL, full, queen, king, California kingMediumBirch CoolForce LayerFree via FedExArrives in a box as part of standard shipping; white-glove delivery available for $199100 nights; 30 day break in period required before initiating return that incurs $99 shipping feeLimited lifetimeFinancing available with AffirmCasper OneAll-foamKnit cover, memory foamTwin, twin XL, full, queen, king, California king, split kingMedium-firmN/AFree shippingArrives in box as part of standard shipping; Alaska and Hawaii involves separate shipping fee100 nights; 30-day break in period required before initiating return ($99 shipping fee)10 year limitedFinancing available with AffirmThe WinkBedHybridTencel cover, gel memory foam, pocketed coilsTwin, twin XL, full, queen, king, CaliforniaSofter, luxury firm, firm, PlusN/AFree shipping via UPS ground for contiguous U.S.Arrives in box as part of standard shipping120 nights; 30-day break in period required before initialing returnLifetimeFinancing available through Bread Pay and KatapultWolf Memory Foam Hybrid Premium Firm MattressHybridCooling cover, gel memory foam, support foam, pocketed coilsTwin, twin XL, full, queen, king, California king, split kingMedium firmN/AFree for customers in the contiguous US but does not ship to Hawaii or AlaskaArrives in a box as part of standard shipping101 nights; 30-day break in period required before initiating returnLimited lifetimeFinancing available with Affirm