Our best memory-foam pillow is the Tempur-Cloud from Tempur-Pedic, but we also tested the Coop Sleep Goods Original, Ostrichpillow Memory Foam Bed pillow, Sijo FlexCool, and more.

Our sleep writer explains what exactly memory foam is and what to consider when purchasing a memory-foam mattress. From NASA’s spaceship cushions to your bed-in-a-box mattress. Intelligencer ...