Best Side Sleeper Mattresses 2026: Voted by Sleep Science Teacher

mattress The type of mattress Equipment Stability Height Guarantees Trial Period Transportation Confirmation Nolah Evolution Combinations Organic cotton cover or GlacioTex, AirFoam Luxe memory foam, gel memory foam, AirBreath border mattresses, pocket collars. More, higher, stronger 15 inches CertiPur-US, GreenGuard Gold 120 at night; A 30-day cooling-off period is required before starting a return ($99 shipping fee) It arrives in a box as part of standard shipping; clean glove delivery available (mattress setup and old bed removal) $225 A limited life Helix Midnight Luxe Combinations Tencel cover, memory foam, bagged coils One option is 6.5/10 13.5 inches CertiPur-US, GreenGuard Gold 120 at night; A 30-day break is required before returning Free for US customers A limited life Bear Elite Hybrid Combinations Phase change material (PCM) cooler cover, copper-infused memory foam, memory foam, pocket closures. Soft, medium, hard 14 inches CertiPur-US, GreenGuard Gold 120 at night; A 30-day break is required before returning Free for US customers A limited life Leesa Sapira Chill Combinations Cooling cap for changing part, cooling foam, cooling in bags Extra, medium hard, hard 14 inches CertiPur-US, GreenGuard Gold 120 at night; A 30-day break is required before returning Free for US customers A limited life Naturepedic EOS Classic Combinations Organic cotton cover, plant-based PLA layer, organic wool batting, organic latex, organic cotton batting, organic cotton filling and fabric, coils in bags. Extra, medium, hard, hard, hard (each side can have a different hardiness) 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, Organic Content Standard certified, Organic Trade Association certified, Responsible Wool Standard Certified, Forest Stewardship Council certified 100 at night; A 30-day break is required before returning It arrives in a box as part of standard shipping. For local US buyers, mattress installation is $299; installing and removing the old bed is $349 25 years less Provided by Contour5 Memory foam Cotton sheet, memory foam Medium, strong 12.5 inches CertiPur-US, GreenGuard Gold Sleep testing for a year; $99 cash back Shipping of white gloves is included with purchase Lifetime Casper Dream Hybrid Memory foam hybrid Joint cover, memory foam, memory foam, pocket fasteners, side rail support Medium sized company 12 inches CertiPur-US 100 at night It arrives in a box as part of standard shipping; Separate shipping charges for Alaska and Hawaii 10 years less Birch Luxe Natural Combinations Organic cotton cover, wool, organic latex, bagged coils The average 11.5 inches Global Organic Latex Standard (GOLS), GreenGuard Gold 120 at night; A 30-day cooling-off period is required before starting a return ($99 shipping fee) It arrives in a box as part of standard shipping; White glove shipping is available for $199 A limited life The WinkBed Combinations Tencel cover, gel memory foam, pocket coils Soft, hard, hard, Combination 13.5 inches CertiPur-US 120 at night; A 30-day break is required before returning Free shipping via UPS ground in the US A limited life Wolf Memory Foam Hybrid Premium Firm Mattress Combinations Cooling pad, gel memory foam, support foam, bagged coils Medium sized company 13 inches CertiPur-US 101 at night; A 30-day break is required before returning It arrives in a box as part of standard shipping A limited life Sonu Sleep System Combinations Cool cover, “Comfort Channel” interior design, and support foams with “Support Pillows”; cooling foam, support foam, bagged coils Regular, 8/10 14 inches CertiPur-US 100, the return fee is $99, and can go up to $250 Free shipping in the US 10 years Sleep Number ComfortNext Lux A smart bed Cool switch cover, gel memory foam, support foam, Ultra-Flex air chambers, rails, comfort foam, bottom cover, air conditioning unit. 45 strength levels 13 inches CertiPur-US 120 at night It arrives in a box as part of standard shipping 5 years Full study, 20 years prorated Study