Mattress Foundations & Box Springs

Tempur-Pedic, Sealy and Stearns & Foster foundations in 9-inch standard, 5-inch low profile and 2-inch bunkie board heights, plus adjustable bases. Using the matching foundation helps protect your mattress warranty.

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Which foundation height should I choose?

HeightHow the bed sitsBest for
9-inch standardTraditional bed heightMost bed frames and a classic look
5-inch low profileLower finished heightThick mattresses, tall headboards and an easier step-in
2-inch bunkie boardLowest profilePlatform beds, daybeds and bunk beds

Why shop at Sleepology

100-night sleep trial

Qualifying mattresses get 100 nights to decide at home after a 40-night break-in. Trial details.

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Foundation FAQ

Do I need a box spring with my mattress?

Today's foundations replace the old box spring. Using the matching foundation helps protect your mattress warranty. If your mattress sits on a platform bed with solid slats, you may not need one. Read more.

How do I choose the right foundation height?

Pick the height by how tall you want the finished bed to sit. A taller mattress or headboard usually pairs best with a 5-inch low profile foundation. How to choose the right box spring.

Should I choose a foundation or an adjustable base?

A foundation gives you a flat, supportive base at the lowest cost. An adjustable base raises your head and feet for reading, TV and easing snoring.