What Causes a Mattress to Feel Uneven

Published On: 10 Dec 2025| Read By: 149 Users

If you’ve ever asked yourself, “What causes a mattress to feel uneven?” you’re not alone. Many people experience this frustrating issue at some point during their mattress’s life. An uneven mattress can lead to discomfort, restless nights, and even back pain. It’s essential to identify the reasons behind mattress unevenness to ensure better sleep quality and prolong the lifespan of your investment. Several factors contribute to what causes a mattress to feel uneven. Here are the most common culprits: Normal Wear and Tear: Over time, all mattresses will experience some sagging or body impressions as a result of continuous weight and movement. Poor Support System: An old or unsuitable bed base (like a sagging box spring or slatted base) can cause the mattress...

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