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

Mattress Mattress Type Materials Sizes Available Add-ons Available Shipping Costs Delivery Options Trial Period Warranty Financing Compatible With Adjustable Frames? Nolah Evolution Hybrid Organic cotton or GlacioTex cover, AirFoam Luxe memory foams, gel memory foam, AirBreath border gusset, pocketed coils Twin, twin XL, full, queen, king, California king, split king Plush, luxury firm, firm GlacioTex cooling cover Free for customers in the contiguous US Arrives in a box as part of standard shipping; white-glove delivery available (mattress setup and old bed removal) for $225 100 nights; 30-day break in period required before initiating return ($99 shipping fee) Limited lifetime Financing available with Affirm Bear Elite Hybrid Hybrid Phase change material (PCM) cooling cover, copper-infused memory foam, dynamic memory foam, pocketed coils Twin, twin XL, full, queen, king, California king, split king Soft, medium, firm Celliant-infused cooling cover Free for customers in the contiguous US Arrives in a box within three to seven business days; white-glove delivery service available. Setup is $100, setup and old bed removal is $200 120 nights; 30-day break-in period required before initiating return Limited lifetime Financing available with Affirm Helix Midnight Luxe Hybrid Tencel cover, memory foams, pocketed coils Twin, twin XL, full, queen, king, California king, short queen, RV king Medium GlacioTex cooling cover, CoolForce Layer, ErgoAlign Contour Layer Free for customers in the contiguous US Delivered in six to 10 days in a box; setup handled by customer 100 nights; 30-day break-in period required before initiating return Limited lifetime Financing available with Affirm Leesa Sapira Chill Hybrid Phase change cooling cover, cooling memory foams, pocketed coils Twin, twin XL, full, queen, king, California king Plush, medium firm, firm GlacioTex cooling cover Free 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 $199 100 nights; 30-day break in period required before initiating return. Customers in Alaska, Hawaii, and Canada will have $100 return fees Limited lifetime Financing available with Affirm or PayPal Credit Naturepedic EOS Classic Hybrid Organic cotton cover, plant-based PLA layer, organic wool batting, organic latex, organic cotton batting, organic cotton fill and fabric, pocketed coils Twin, twin XL, full, queen, king, California king Plush, medium, cushion firm, firm, extra firm (each side can have different firmnesses) N/A Free for customers in the contiguous US Arrives in a box as part of standard shipping. For contiguous US shoppers, mattress setup for $299, or mattress setup, old bed removal for $349 100 nights; 30 day break-in period required before initiating return 25 year limited Financing available with Affirm Saatva Contour5 Memory foam Cotton cover, memory foam Twin, twin XL, full, queen, king, California king, split king Medium, firm N/A Free for customers in the contiguous US White glove delivery included with purchase Year long sleep trial; $99 return fee Lifetime Financing available with Affirm Birch Luxe Natural Hybrid Organic cotton cover, wool, organic latex, pocketed coils Twin, twin XL, full, queen, king, California king Medium Birch CoolForce Layer Free via FedEx Arrives in a box as part of standard shipping; white-glove delivery available for $199 100 nights; 30 day break in period required before initiating return that incurs $99 shipping fee Limited lifetime Financing available with Affirm Casper One All-foam Knit cover, memory foam Twin, twin XL, full, queen, king, California king, split king Medium-firm N/A Free shipping Arrives in box as part of standard shipping; Alaska and Hawaii involves separate shipping fee 100 nights; 30-day break in period required before initiating return ($99 shipping fee) 10 year limited Financing available with Affirm The WinkBed Hybrid Tencel cover, gel memory foam, pocketed coils Twin, twin XL, full, queen, king, California Softer, luxury firm, firm, Plus N/A Free shipping via UPS ground for contiguous U.S. Arrives in box as part of standard shipping 120 nights; 30-day break in period required before initialing return Lifetime Financing available through Bread Pay and Katapult Wolf Memory Foam Hybrid Premium Firm Mattress Hybrid Cooling cover, gel memory foam, support foam, pocketed coils Twin, twin XL, full, queen, king, California king, split king Medium firm N/A Free for customers in the contiguous US but does not ship to Hawaii or Alaska Arrives in a box as part of standard shipping 101 nights; 30-day break in period required before initiating return Limited lifetime Financing available with Affirm