GoKawiilWIRED tests kids' mattresses from Saatva, Birch, Helix and others for 2026 guide
WIRED evaluated children's mattresses over several months by having a toddler sleep on each one atop a Simply Sori Montessori twin bed frame. The reviewer tracked ease of climbing in, sleep quality, comfort during movement, spill and rough-play resistance, edge support, and how cool covers felt, selecting picks spanning different constructions, price points and features from brands including Saatva, Birch and Helix.