Best Side Sleeping Mattresses of 2026: Chosen by a Sleep Science Coach

mattress Mattress type Materials Firmness to rise Certificates Trial period shipping a guarantee NOLA Evolution hybrid Organic cotton or GlacioTex cover, AirFoam Luxe memory foam, gel memory foam, AirBreath edge extension, pocket coils Luxurious, luxurious, firm, firm 15 inches Certipur-US, Greenguard Gold 120 nights; 30 day cooling off period required before returns can be initiated ($99 shipping fee) Arrives in a box as part of standard shipping; White glove delivery service (set up mattress and remove old bed) is available for $225 Limited lifetime Helix Midnight Lux hybrid Tencel cover, memory foam, pocket coils One option is 6.5/10 13.5 inches Certipur-US, Greenguard Gold 120 nights; A 30-day cooling-off period is required before the return process begins Free to customers in the contiguous United States Limited lifetime Elite hybrid bear hybrid Phase change material (PCM) cooling cap, copper-filled memory foam, dynamic memory foam, and sine coils Soft, medium, firm 14 inches Certipur-US, Greenguard Gold 120 nights; A 30-day cooling-off period is required before the return process begins Free to customers in the contiguous United States Limited lifetime Lisa Sapira chill hybrid Phase variable cooling cap, cooling memory foam, sinusoidal coils Plush, medium firm, firm 14 inches Certipur-US, Greenguard Gold 120 nights; A 30-day cooling-off period is required before the return process begins Free to customers in the contiguous United States Limited lifetime Naturepedic EOS Classic hybrid Organic cotton cover, vegetable PLA film, organic wool filling, organic latex, organic cotton filling, organic cotton filling and fabric, pocket coils Plush, Medium, Pillow Firm, Firm, Extra Firm (each side can have different firmness) 12 inches Global Organic Latex Standard (GOLS), Global Organic Textile Standard (GOTS), Made Safe, EWG Verified, GreenGuard Gold, Formaldehyde-Free Claim Verified by UL Environment, Certified Organic Content Standard, Certified Organic Trade Association, Certified Responsible Wool Standard, Forest Stewardship Council Certified 100 nights; A 30-day cooling-off period is required before the return process begins Arrives in a box as part of standard shipping. For U.S. side-by-side shoppers, the mattress setup costs $299; Setup and removal of the old bed is $349 25 YEARS LIMITED Delivered by Contour5 Memory foam Cotton cover, memory foam Medium, firm 12.5 inches Certipur-US, Greenguard Gold One-year sleep trial; Return fee is $99 White glove delivery is included with purchase life Casper Dream Hybrid Memory foam hybrid Knitted cover, memory foam, zoned memory foam, pocket coils, foam rail edge support Medium company 12 inches Certipur-United States 100 nights Arrives in a box as part of standard shipping; Separate shipping fees for Alaska and Hawaii 10 YEARS LIMITED Natural luxe birch hybrid Organic cotton cover, wool, organic latex, pocket files Mediation 11.5 inches Global Organic Latex Standard (GOLS), GreenGuard Gold 120 nights; 30 day cooling off period required before returns can be initiated ($99 shipping fee) Arrives in a box as part of standard shipping; White glove delivery is available for $199 Limited lifetime Winkbed hybrid Tencel cover, gel memory foam, pocketed coils Softer, Luxurious, Firm, Plus 13.5 inches Certipur-United States 120 nights; A 30-day cooling-off period is required before the return process begins Free shipping via UPS ground to the contiguous United States Limited lifetime The Wolf Memory Foam Hybrid Premium Firm Mattress hybrid Cooling cap, gel memory foam, support foam, pockets files Medium company 13 inches Certipur-United States 101 nights; A 30-day cooling-off period is required before the return process begins Arrives in a box as part of standard shipping Limited lifetime Get Rx hybrid Organic cotton cover, lumbar support layer, graphite and phase change infused foam, high-density memory foam, micro coils, pocket coils, plant fire barrier Supportive plush, 3.5/10 15 inches Certipur-US, Greenguard Gold 365 nights, return fee is $99 White glove delivery is included with purchase life Personal comfort and renewal Smart bed Phase Variable Cooling Cap, Copper Gel Memory Foam, Support Foam, Ultra-Flexible Air Chambers, Rail System, Comfort Foam, Bottom Cover, Air Control Unit 45 levels of stability 13 inches Certipur-United States 120 nights Arrives in a box as part of standard shipping 5 years full coverage, 20 years proportional coverage