Materials & Technology

1. Define memory foam and high-resilience foam. Let's start with the basics, because let's be honest, the world of mattress foam can feel like alphabet soup. As someone who's tested more compressed mattresses than I can count, I can tell you that understanding these two materials is key to nailing your spine health goals. Memory foam is that cla...

When you hear “ergonomic support,” you might think of fancy office chairs or standing desks. But honestly? Your bed plays an even bigger role in how your spine feels every day. In fact, after testing dozens of mattresses over the last five years, I’ve learned that one of the single most important materials is high-resilience foam — the kind that bounces back instead of sagging, and keeps your back aligned while you sleep.

Whether you’re dealing with mild morning stiffness or serious back pain, understanding what high-resilience foam does — and why it works — can change the way you shop for your next mattress.