Best Side-Sleeper Mattresses 2026: Picked by a Sleep Science Coach

MATTRESS mattress type Material Perseverance Height certificate trial period shipping Guarantee nola development hybrid Organic Cotton or Glaciotex Cover, Airfoam Lux Memory Foam, Gel Memory Foam, Airbreathe Border Gusset, Pocketed Coils luxurious, luxurious, firm, firm 15 inches Certipur-US, Greenguard Gold 120 nights; 30 day break required before initiating returns ($99 shipping fee) Comes in a box as part of standard shipping; White glove delivery is available for $225 (mattress setup and old bedding removal). Limited Lifetime Helix Midnight Lux hybrid Tencel Cover, Memory Foam, Pocketed Coils is an option 6.5/10 13.5 inches Certipur-US, Greenguard Gold 120 nights; A 30 day break-in period is required before initiating withdrawals Free for customers in the contiguous US Limited Lifetime bear elite hybrid hybrid Phase Change Material (PCM) Cooling Cover, Copper-Infused Memory Foam, Dynamic Memory Foam, Pocketed Coils soft, medium, firm 14 inches Certipur-US, Greenguard Gold 120 nights; A 30 day break-in period is required before initiating withdrawals Free for customers in the contiguous US Limited Lifetime Lisa Sapira Chill hybrid Phase Change Cooling Cover, Cooling Memory Foam, Pocketed Coils plush, medium firm, firm 14 inches Certipur-US, Greenguard Gold 120 nights; A 30 day break-in period is required before initiating withdrawals Free for customers in the contiguous US Limited Lifetime 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 Plush, Medium, Cushion Firm, Firm, Extra Firm (each side may 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 Environmental, Organic Content Standard Certified, Organic Trade Association Certified, Responsible Wool Standard Certified, Forest Stewardship Council Certified 100 nights; A 30 day break is required before starting the withdrawal Comes in a box as part of standard shipping. For Nearshore US buyers, mattress setup is $299; Setup and old bed removal fee is $349 25 years limited Seventh Contour5 memory foam Cotton Cover, Memory Foam medium, firm 12.5 inches Certipur-US, Greenguard Gold Year-long sleep trial; $99 return fee Delivery of white gloves is also included with purchase lifetime casper dream hybrid memory foam hybrid Knit Cover, Memory Foam, Zoned Memory Foam, Pocketed Coils, Foam Rail Edge Support medium firm 12 inches CertiPUR-America 100 nights Comes boxed as part of standard shipping; Separate shipping charges for Alaska and Hawaii 10 years limited Birch Lux Natural hybrid Organic Cotton Cover, Wool, Organic Latex, Pocketed Coils medium 11.5 inches Global Organic Latex Standard (GOLS), Greenguard Gold 120 nights; 30 day break required before initiating returns ($99 shipping fee) Comes in a box as part of standard shipping; White glove delivery available for $199 Limited Lifetime winkbed hybrid Tencel Cover, Gel Memory Foam, Pocketed Coils soft, luxury firm, firm, plus 13.5 inches CertiPUR-America 120 nights; A 30 day break is required before starting the withdrawal Free shipping via UPS Ground to the contiguous US Limited Lifetime Wolf Memory Foam Hybrid Premium Firm Mattress hybrid Cooling Cover, Gel Memory Foam, Support Foam, Pocketed Coils medium firm 13 inches CertiPUR-America 101 nights; A 30 day break is required before starting the withdrawal Comes in a box as part of standard shipping Limited Lifetime 7th RX hybrid Organic cotton cover, lumbar support layer, graphite- and phase change material-infused foam, high-density memory foam, micro coils, pocketed coils, plant-based fire barrier Helpful Plush, 3.5/10 15 inches Certipur-US, Greenguard Gold 365 nights, return fee is $99 Delivery of white gloves is also included with purchase lifetime Personal Comfort The Rejuvenate smart bed Phase Change Cooling Cover, Copper Gel Memory Foam, Support Foam, Ultra-Flex Air Chamber, Rail System, Comfort Foam, Bottom Cover, Air Control Unit 45 persistence levels 13 inches CertiPUR-America 120 nights Comes in a box as part of standard shipping 5 years full coverage, 20 years prorated coverage