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How Often You Should Clean Your Mattress
Reviewed by Zac Kieffer
Updated: September 10, 2025
Discover the ideal mattress cleaning frequency to keep your bed fresh, hygienic, and allergen-free for better sleep.
How Often You Should Clean Your Mattress
Mattress Cleaning Frequency
Every six months is the general recommendation for a deep clean of your mattress. Over time, sweat, body oils, and skin cells create a cozy habitat for dust mites and allergens, so biannual cleaning helps keep these invaders in check.
More frequently if you have allergies or asthma. If you struggle with respiratory issues, consider cleaning your mattress every three to four months. This extra effort can dramatically reduce allergen buildup and improve your sleep quality.
Spot clean as needed. Accidental spills or stains shouldn’t wait; addressing them immediately prevents deeper penetration and long-term buildup. While this isn’t a full clean, it’s crucial for maintaining the overall hygiene of your mattress.
Consider seasonal routines. As the weather changes, so does humidity, which can encourage mold growth. A routine check and clean at the start of each season can keep your mattress in prime condition.
Your mattress is a sleep sanctuary—treat it that way. The recommended frequency isn’t arbitrary; it’s based on the natural accumulation of allergens and the need for a healthy sleep environment. Think of it like changing the oil in your car: regular maintenance keeps things running smoothly.
Consequences of Skipping Mattress Cleaning
Consequences of Skipping Mattress Cleaning
Unwanted Guests: Dust Mites and More
Mattresses are a magnet for dust mites—tiny critters that thrive on the flakes of skin we shed every night. If you skip cleaning, you’re basically rolling out the welcome mat for these microscopic freeloaders. Over time, their presence can contribute to an uncomfortable sleeping environment.
Odors That Won’t Quit
Sweat, body oils, and the occasional spill don’t just disappear—they soak into your mattress. Without regular cleaning, these build up and create persistent odors that no amount of air freshener can mask. If your bed smells less than fresh, it’s probably overdue for a deep clean.
Stains Set In—And Stay In
Mattresses are notorious for collecting stains from sweat, spills, and who-knows-what-else. The longer you wait, the harder these stains are to remove. Some can even become permanent, making your mattress look older and less inviting than it really is.
Reduced Mattress Lifespan
Dirt, debris, and moisture can break down the materials inside your mattress over time. This means your mattress may lose its support and comfort faster, leading to sagging, lumps, or even structural damage. Regular cleaning helps keep your investment in good shape for longer.
Potential for Irritation
A mattress that isn’t cleaned regularly can become a source of irritation for your skin and airways. Dust, debris, and other particles can accumulate, making it less comfortable to sleep and potentially affecting your overall comfort.
It’s Not Just About Looks
Even if your mattress looks clean, it can still harbor particles and debris you can’t see. Regular cleaning isn’t just about appearances—it’s about maintaining a comfortable and inviting place to rest every night.
Sprinkle a generous layer of baking soda evenly over the mattress surface. Let it sit for at least 30 minutes to absorb odors and moisture. Then, thoroughly vacuum the mattress to remove the baking soda along with dust and allergens, leaving it fresh and clean.
Limited Deep Cleaning
Baking soda and a vacuum cleaner only remove surface dirt and odors, missing deep-seated allergens, stains, and bacteria. This DIY method offers limited deep cleaning, leaving the mattress less hygienic and not fully refreshed.
Hydrogen Peroxide and Liquid Detergent
Mix equal parts hydrogen peroxide and liquid detergent in a spray bottle. Lightly spray the solution onto stained areas of the mattress. Let it sit for 10–15 minutes, then blot with a clean cloth. This method helps lift stains and disinfects the surface.
Residual Moisture Risk
Residual moisture left in the mattress after cleaning with hydrogen peroxide and liquid detergent can promote mold or mildew growth, leading to odors and potential health risks if the mattress is not thoroughly dried.
White Vinegar and Water Spray
Mix equal parts white vinegar and water in a spray bottle. Lightly mist the mattress surface, then blot with a clean cloth to lift stains and odors. Allow the mattress to air dry completely before making the bed. This natural solution helps disinfect and freshen your mattress.
Allergen Removal Ineffective
White vinegar and water spray may not effectively remove allergens like dust mites or pet dander from a mattress, as it lacks the strength to break down or eliminate these particles, leaving allergens behind and not improving air quality.
Mix 1 cup of rubbing alcohol with 10-15 drops of your favorite essential oil in a spray bottle. Lightly mist the mattress surface and let it air dry. This spray helps disinfect, remove odors, and leaves a fresh scent.
Surface Stain Persistence
Surface stains may persist because rubbing alcohol and essential oils may not fully break down or lift certain types of stains, especially if they are set-in or deeply embedded in the mattress fabric.
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