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Blog Lux Comfort

How to Fix a Sinking Mattress: A Comprehensive Guide

From the Puffy Editorial Team | 5 min read.
How to Fix a Sinking Mattress: A Comprehensive Guide

A sinking mattress is more than just an inconvenience; it’s a barrier to a good night’s sleep and can have a significant impact on your overall well-being. In this guide, we delve into why mattresses sink, how to fix them, the connection between a sinking mattress and back pain, and when it’s necessary to seek professional advice.

Why Is My Mattress Sinking?

The reasons for a mattress sinking can vary, including:

  • Age and Wear: Over time, the materials in a mattress can compress and lose their shape.
  • Poor Support: An unsupportive foundation or box spring can contribute to the problem.
  • Quality of Mattress: Lower-quality materials tend to succumb to wear and tear more quickly.

How to Fix a Sinking Mattress

Addressing a sinking mattress effectively can rejuvenate your sleeping experience. Here are more detailed strategies:

  1. Rotate or Flip the Mattress: Doing this every three to six months can prevent uneven wear. If your mattress is double-sided, flipping it over can provide a fresh surface.
  2. Inspect and Update the Foundation: Ensure your bed’s foundation is in good shape. Broken slats or a worn-out box spring can contribute to mattress sagging.
  3. Use a Mattress Topper: A quality mattress topper can add support and cushioning, temporarily mitigating the effects of a sagging mattress. Choose one that’s firm and supportive to counteract the sink.
  4. Plywood Support: As a short-term fix, placing a solid piece of plywood between the mattress and its base can offer added support, reducing the sinking effect.
  5. Regular Maintenance: Vacuuming the mattress, rotating it, and keeping it free from moisture can help maintain its structure.
  6. Adjust Sleeping Position: Sometimes, changing how you sleep can alleviate the stress on certain areas of the mattress, slowing down the sinking process.
  7. Evaluate Mattress Age: If your mattress is older than 7-10 years, it might be time to consider a replacement.

How to Prevent Mattress from Sinking

Preventing your mattress from sinking not only enhances its lifespan but also ensures consistent comfort. Here’s how you can maintain your mattress’s integrity:

  • Use a High-Quality Mattress Protector: A durable mattress protector shields your mattress from spills, dust, and body oils that can degrade the materials over time.
  • Regular Maintenance: Rotate your mattress every three to six months to distribute wear evenly. If it’s double-sided, flipping it is also beneficial.
  • Choose the Right Base: Ensure your bed base or frame provides adequate support. Slatted bases should have slats close enough to prevent the mattress from dipping.
  • Control Room Temperature: Extreme temperatures can affect mattress materials. Keep your bedroom at a moderate temperature to preserve the mattress’s structure.
  • Limit Heavy Loads: Avoid sitting on the same spot or placing heavy objects on the mattress for prolonged periods.
  • Invest in Quality: Higher-quality mattresses with dense foams and robust springs are more resistant to sagging. Consider this an investment in long-term comfort and health.

Interested in how Puffy stacks up against other brands? Check out our mattress comparisons: Puffy vs Purple, Puffy vs Nectar, Puffy vs Casper, Puffy vs Leesa, Puffy vs Saatva, Puffy vs DreamCloud, and Puffy vs Tuft and Needle.

How to Stop Sinking Into Memory Foam Mattress

Memory foam mattresses offer excellent support and comfort, but they can sometimes lead to a sinking feeling. Here’s how to maintain the right balance:

  • Use a Firm Mattress Topper: A firm topper can add an extra layer of support, reducing the depth of sinkage into the memory foam.
  • Control Room Temperature: Memory foam is temperature-sensitive. Keeping your bedroom cool can prevent the foam from becoming too soft and causing sinkage.
  • Regular Rotation: Like any mattress, rotating a memory foam mattress helps distribute wear evenly, preventing sagging in certain areas.
  • Check the Foundation: Ensure your bed base is compatible with memory foam mattresses. An unsupportive base can cause the mattress to conform excessively.
  • Assess Mattress Density: Higher-density memory foam tends to resist sagging better than lower-density options. Consider this factor when purchasing a new mattress.
  • Weight Distribution: Be mindful of weight distribution on the mattress. Consistently sleeping in the same spot can lead to uneven wear.

Implementing these strategies will not only improve the longevity of your memory foam mattress but also enhance your sleep experience by ensuring consistent support and comfort.

Can a Sinking Mattress Cause Back Pain?

A sinking mattress can indeed lead to back pain. This occurs because a sagging mattress lacks the ability to properly support the spine, leading to misalignment and strain. Chronic back pain from a poor sleeping posture can have long-term health implications. To alleviate this:

  • Choose a Supportive Mattress: Look for a mattress that provides both comfort and support, such as Puffy Lux Mattress, which is specifically designed to maintain spinal alignment.

  • Consider Sleeping Posture: Adjusting your sleeping position to reduce pressure on your back can also help.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

When to Seek Professional Advice

Knowing when to consult a professional is crucial. Here are some instances:

  • Persistent Pain: If you continue to experience back pain or sleep disturbances despite making changes, it might be a sign of a more serious underlying issue.
  • Professional Mattress Assessment: A professional can assess whether your mattress is the root cause of your problems and can recommend specific types, like a Puffy Royal Mattress, known for its durability and support.
  • Health Concerns: If sleep issues are affecting your overall health, a healthcare provider can offer a comprehensive solution.


Tackling a sinking mattress is essential for ensuring a restful sleep and maintaining good health. From rotating your mattress to considering a new supportive option, the solutions are varied.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.

Remember, a supportive and comfortable mattress is key to a good night’s sleep. If the problem persists, don’t hesitate to seek professional advice for a more tailored solution.

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