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How to Fix Mattress Sag?

Published in Mattress Maintenance 4 mins read

Addressing mattress sag is essential for comfortable and supportive sleep. While a significantly worn mattress often requires replacement, there are several methods you can try to alleviate the issue and improve your sleep quality, based on common practices and potential solutions.

Methods to Address Mattress Sag

Mattress sag can stem from various factors, including wear and tear, inadequate support, or even manufacturing defects. Here are several ways to tackle the problem:

1. Use a Mattress Topper

Purchasing a mattress topper can help you sleep more comfortably on a mattress that is sagging. While a topper won't eliminate the physical dip, it adds an extra layer of cushioning or support across the surface, helping to redistribute weight and alleviate pressure points caused by the sag. This is often the quickest and most cost-effective temporary solution.

  • Benefit: Improves surface comfort and support.
  • Consideration: Does not fix the underlying structural issue.

2. Rotate the Mattress

Regularly rotating the mattress (or flipping, if it's a flippable type) is a standard maintenance practice. This helps distribute wear and tear more evenly across the mattress surface over time. If sag is developing in a specific area due to consistent pressure, rotation can shift the primary sleeping area to a less worn section, potentially slowing down the worsening of the sag or making existing sag less noticeable in your usual sleeping spot.

  • Frequency: Typically recommended every 3-6 months.
  • Purpose: Promotes even wear and longevity.

3. Replace the Foundation

The support system beneath your mattress, known as the foundation or box spring, plays a crucial role. Replacing the foundation is necessary if your current one is old, damaged, or not providing adequate support. A sagging or broken foundation cannot properly support the mattress, leading the mattress itself to sag prematurely. Ensure your foundation is flat, sturdy, and designed to support your specific type of mattress.

  • Sign: Sagging can be caused or worsened by a faulty foundation.
  • Action: Check the foundation for dips or damage and replace if necessary.

4. Use Extra Pillows

Strategic use of extra pillows can help provide localized support to areas of your body that are sinking into the sag, particularly the lower back or neck. While not a fix for the mattress itself, this technique can improve comfort and spinal alignment by filling gaps or propping up specific regions affected by the sag.

  • Application: Place pillows under knees, lower back, or neck as needed.
  • Goal: Improve comfort and support body alignment over the sag.

5. Explore Warranty Coverage

Many mattresses come with warranties that cover significant sagging. Warranties typically specify a minimum depth of indentation (e.g., 1 inch or more, not caused by body impression) that qualifies for a claim. Exploring warranty coverage is important if your mattress is relatively new and exhibiting substantial sag, as it might indicate a manufacturing defect. Contact the manufacturer with proof of purchase and photos of the sag to understand your options for repair or replacement.

  • Requirement: Check warranty terms for minimum sag depth.
  • Outcome: Potential repair or replacement if deemed a defect.

By trying these methods, you may find ways to extend the comfortable life of your mattress or address the sag if it's due to support issues or defects.

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