Sleep Guides

Practical, no-pressure advice on choosing a mattress, pillow and adjustable base.

Mattress Size Chart: Dimensions and Room-Fit Tips

Standard US mattress dimensions in one chart, and how to pick the size that fits your room and the people sleeping on it.

How your sleep position shapes the firmness that feels comfortable, and how to judge firmness when you try a mattress.

The common signs a mattress is wearing out, and how to plan the next one.

Our five-step at-home fitting, explained, plus how to get ready for it.

What an adjustable base does, the features to compare and who tends to get the most out of one.

How sleep position, pillow height and fill work together, and how your mattress changes the pillow you need.

Not sure where to start?

A few quick questions about how you sleep and the feel you like. We'll use your answers to hand-pick 3-4 mattresses for your free at-home fitting.