
How to Clean Your Foam Mattress (A Step-by-Step Guide)
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Cleaning your mattress improves sleep hygiene, removes odors, and prolongs its lifespan.
Use our guide to effectively clean your foam mattress.
Following certain tips and tricks will keep your foam mattress cleaner for longer.
Foam mattresses are famous for their comfort and support, offering a restful night’s sleep. However, over time, sweat, spills, and general use can create stains, odors, and potential damage. Nobody wants to sleep on a dirty mattress, so it is important to clean it regularly to keep it fresh and comfortable for years.

Why Cleaning Your Foam Mattress Matters
Before jumping into the step-by-step guide, let's look at why cleaning your foam mattress is so important:
- Improved Sleep Hygiene: Mattresses collect sweat, dead skin, dust mites, and allergens, which can lead to poor sleep quality and health issues.
- Odor Removal: Spills and sweat can make your mattress smell unpleasant. Cleaning helps keep it fresh.
- Prolonged Lifespan: Properly maintaining your foam mattress ensures it stays supportive for years.
How to Safely Clean Your Foam Mattress
Here’s a simple yet effective guide to cleaning your foam mattress:
1. Strip the Bedding and Inspect the Mattress
Start by removing all bedding, including sheets, mattress protectors, and covers. Machine-wash these items according to their care instructions, as they also trap dust and sweat.
Once your mattress is exposed, inspect it closely. Identify any stains, odors, or problem areas that need attention.
2. Vacuum Thoroughly
Use a handheld vacuum or the upholstery attachment on a regular vacuum to remove dirt, hair, and other debris. Move in overlapping strokes across the entire surface, paying extra attention to crevices and edges.
Why vacuum first? This step ensures you’re not rubbing dust or particles deeper into the foam when you move on to cleaning.
3. Spot Clean Stains Carefully
For small stains (think coffee spills or accidents), spot cleaning is your best friend. Here’s how to do it:
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What You’ll Need:
- White vinegar or a mild detergent
- A clean, damp sponge or cloth
- Instructions:
- Lightly dampen the cloth or sponge with your cleaning solution of choice.
- Blot the stain with gentle pressure. Avoid scrubbing, as this could push the liquid deeper into the foam.
- Once the stain is lifted, blot the area with a dry cloth to remove excess moisture.
Pro Tip: Never saturate your foam mattress with water, as it can soak into the material, making it difficult to dry and encouraging mold or mildew growth.
4. Deodorize with Baking Soda
Over time, foam mattresses can absorb odors. Baking soda is an all-natural deodorizer that’s incredibly easy to use. Here’s what to do:
- Sprinkle a generous layer of baking soda across the entire mattress.
- Let it sit for at least 8 hours (overnight is even better).
- Vacuum the baking soda using a handheld vacuum or upholstery attachment.
This absorbs any lingering smells and leaves your mattress smelling fresh.
5. Air Dry Before Making the Bed
Once your cleaning steps are complete, allow your mattress to air dry fully before putting your bedding back on. Choose a well-ventilated area or set up a fan to speed up the drying process. This step is crucial to prevent trapped moisture, which can lead to mildew.

Tips to Keep Your Foam Mattress Cleaner for Longer
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Opt for a mattress designed with a fiberglass-free knit fire sock: The Sure2Sleep Monterey Mattress features a fiberglass-free knit fire sock that ensures safety without compromising comfort.
- You can unzip this cover and wash it using cold water on the gentle cycle and dry on low heat. Keep your mattress clean with Sure2Sleep!
- Pro-tip: By opting for a fiberglass-free mattress, you can also avoid potential skin irritation and health risks associated with fiberglass exposure while enjoying a comfortable and secure sleeping environment.
- Use a Mattress Protector: A waterproof and breathable mattress protector acts as the first line of defense against spills, stains, and allergens. Simply remove and wash it regularly to maintain cleanliness.
- Rotate Regularly: Rotate your mattress every 3-6 months to distribute wear evenly and minimize indentations.
- Keep Pets Off the Bed: Though snuggling with your furry friend is tempting, keeping pets off the bed reduces hair, dander, and potential accidents.
- Avoid Eating in Bed: Spills and crumbs can easily soil a foam mattress, so save your snacks for the kitchen or living room!
Looking for a new foam mattress?
Check out Sure2Sleep's Monterey Mattress for durability and performance you can trust!
What is the average lifespan of a mattress?
Depending on the material it's made out of, mattresses can last anywhere from 3-7 years. A high quality foam mattress with a supportive base layer can last up to 10+ years!
When should I replace my mattress?
You should replace your mattress once you notice visible signs of aging or after 7 years.
How can I extend the lifespan of my mattress?
You can extend the lifespan of your mattress through regular cleaning, rotation, and protection.

Hannah Lake
Sleeps on a mattress every night. Loves a foam pillow (emotional support pillow). Has been a student of the foam industry for years. Dedicated to getting a solid 6-8 hours of rest every night before writing about foam. Passionate about helping others do the same.