How Long Do Mattresses Last?
There is no single expiration date for a mattress because materials, use, body weight, foundation and maintenance all affect wear.
What matters most
Persistent sagging and loss of support matter more than calendar age alone.
Use this point as part of the whole decision rather than as a standalone score. Mattress fit is subjective, and similar labels can feel different across constructions and brands.
How to compare it
Different foams and coil systems age differently.
Use this point as part of the whole decision rather than as a standalone score. Mattress fit is subjective, and similar labels can feel different across constructions and brands.
Where shoppers get stuck
An unsuitable foundation can accelerate wear and may affect warranty coverage.
Use this point as part of the whole decision rather than as a standalone score. Mattress fit is subjective, and similar labels can feel different across constructions and brands.
A practical decision rule
Rotation can sometimes distribute wear but cannot repair structural damage.
Bottom line
Replace the mattress when support or comfort is no longer acceptable, not because of a generic number.
How to use this guide
Use these criteria to narrow the field before comparing temporary discounts. Specifications and merchant policies can change, so verify final details at checkout. Comfort is subjective, and this publication does not claim firsthand testing unless explicitly stated.