The Latest Breaking News from John Merwin

What is gel-foam in mattresses?

Gel-foam mattresses are different to pure memory foam mattresses — here’s what you should know and whether you should buy one.

Tom’s Guide · Nov 5, 2025

Ever wondered how Helix, Titan and Leesa mattresses are made? We visited a factory to see the process in action

We take a peek beneath the covers and see how your mattress is made at the 3Z factory

Tom’s Guide · Dec 1, 2024

How a mattress is made − inside the mattress factories at IKEA, Hästens, and 3Z

I've traveled from the heart of Arizona to the slopes of Scandinavia to see how foam is poured and springs are coiled to make the world's best mattresses

Homes & Gardens · Oct 17, 2024