Allergies and Your Mattress

More than 100 million people in the U.S. experience allergies each year, according to the Asthma and Allergy Foundation of America. For many of them, the worst exposure happens in the one place they spend a third of their lives: bed.

Your bedroom, and especially your mattress, collects indoor allergens like dust mites, pet dander, mold, and pollen. Breathing them all night can disrupt your sleep and make allergy symptoms worse the next day. Here's how allergies affect sleep, what a "hypoallergenic" mattress really is, and what actually protects you.

How Allergies Affect Your Sleep

Research consistently links allergies to poor sleep:

• Congestion disrupts sleep. Nasal congestion from allergic rhinitis is strongly associated with sleep disturbance and daytime fatigue.
• Sleep quality drops. People with allergic rhinitis report poorer sleep, more nighttime awakenings, and more daytime sleepiness than people without allergies.
• Days suffer too. Allergic rhinitis is linked to lost work productivity, and during allergy season some people experience slower thinking.

That matters, because healthy sleep is essential for your physical, mental, and emotional well-being.

Allergy symptoms that keep you up at night

• Nasal congestion makes it hard to breathe through your nose and can cause snoring and frequent awakenings.
• Sneezing and coughing can wake you, and everyone else, up.
• Runny nose and postnasal drip can trigger coughing when you lie down.
• Itchy, watery eyes from allergic conjunctivitis make it hard to fall and stay asleep.
• Itchy throat and ears add to the discomfort.
• Itchy skin, hives, or eczema flares make it hard to relax.

Common Indoor Allergens in the Bedroom

• Dust mites are microscopic arachnids (not insects) that live in bedding, upholstered furniture, and carpet. They thrive in warm, humid conditions.
• Pet dander is made up of tiny flakes of skin shed by cats, dogs, and other animals. Proteins in pet saliva and urine can also trigger allergies.
• Mold grows in damp areas and releases spores that can be inhaled.
• Cockroach allergens from droppings and body parts can trigger allergies and worsen asthma.
• Pollen is an outdoor allergen, but it comes inside on clothes, hair, shoes, pets, and through open windows.

What Does "Hypoallergenic" Really Mean?

"Hypoallergenic" describes a product that is intended to be less likely to cause an allergic reaction. It does not mean allergen-free, and there is no legal definition or testing standard behind the word. Any company can use it.

Products labeled hypoallergenic may avoid common irritants such as fragrance and dyes, and some are tested on people with sensitive skin. But reactions vary from person to person, so what works for one person may still bother another. Read labels carefully, and if you have known sensitivities, ask your doctor.

Is There Such a Thing as a Hypoallergenic Mattress?

Here's the honest answer: no mattress stays free of dust mites. Every mattress collects shed skin, moisture from sweat, and dust over time. Dust mites and their allergens build up on and near the surface, whatever the mattress is made of.

Material choices still matter for comfort, durability, and chemical emissions, and we cover what to look for below. But for dust mite allergy, what makes the real difference is putting a barrier between you and the mattress. We explain more in Do You Need a New Mattress if You Have Allergies?

What to Look for When Buying a Mattress

• Certifications. Look for CertiPUR-US® foams (tested for certain harmful chemicals and low emissions), GREENGUARD Gold (low chemical emissions), OEKO-TEX® STANDARD 100 (textiles tested for harmful substances), and GOTS or GOLS (certified organic textiles and latex).
• Foam and latex cores. Solid foam and latex offer fewer places for dust to collect than loose fiber fill, but the surface and cover still collect allergens. See Is a Foam Mattress Good for Allergies?
• A latex allergy check. Natural latex can cause reactions in people with a latex allergy. If you have one, avoid latex mattresses or talk to your doctor first.
• Wool with care. Wool helps regulate temperature and moisture, but some people find it irritating, and it doesn't keep dust mites out.
• Antimicrobial treatments. These may slow mold and bacteria growth, but they don't prevent dust mite allergens. Chemically sensitive people may prefer untreated materials.
• Low odor. A strong chemical smell when you unpack a mattress is off-gassing. Air the mattress out in a well-ventilated room before sleeping on it.

Materials to Approach with Caution

• Uncertified foam. Polyurethane foam that hasn't been independently tested can emit more volatile organic compounds (VOCs), which may irritate sensitive airways. Choose certified foams.
• Chemical flame retardants. Every mattress sold in the U.S. must meet federal flammability standards. Older flame retardants such as PBDEs have been phased out, but some chemicals, including chlorinated tris, have been linked to health concerns. Ask manufacturers how their mattress meets the standard.
• Fiberglass fire barriers. Some low-cost mattresses use fiberglass inside the cover as a fire barrier. It can escape if the cover is removed or torn. Check the label, and never unzip and remove a mattress's own cover.
• Synthetic or blended latex. These may contain additional chemicals. If you want latex, look for certified natural or organic latex.
• Solvent-based adhesives. Some glues emit VOCs. Water-based adhesives are a better choice.

Always check the manufacturer's materials list and certifications before you buy.

Why Dust Mites Love Your Mattress

• Warmth: your body heat keeps the mattress surface warm all night.
• Humidity: you release moisture through sweat and breath while you sleep.
• Food: dust mites feed on the skin flakes you shed.
• Darkness: sheets and blankets keep the surface dark and undisturbed.

Dust mites don't bite. They cause trouble because their droppings and body fragments contain allergens that trigger sneezing, congestion, and itchy eyes. Bed bugs are different: they are insects that feed on blood and leave itchy bites. Learn more in Do Dust Mites Bite?

Protect Any Mattress with an Encasement

Whether your mattress is brand new or ten years old, the most effective step you can take is to seal it in a zippered allergen-proof mattress encasement. It traps the allergens already in the mattress and keeps new ones out. Encase your pillows and box spring too.

Then keep it up:

• Wash sheets and pillowcases weekly in warm water (no hotter than 120°F) with De-Mite Laundry Additive, or use Allersearch Allergen Wash in place of your regular detergent. You don't need scalding-hot water to remove dust mite allergen.
• Keep indoor humidity between 35% and 50%, and check it with a hygrometer.
• Vacuum the bedroom regularly with a HEPA-filtered vacuum, and consider an air purifier.
• Replace carpet with hard flooring or washable rugs if you can.

And don't forget the medical side. Talk with a healthcare provider or allergist about testing and treatment. Controlling your environment works best alongside a treatment plan.

How Long Does a Mattress Last?

Most mattresses last about 7 to 10 years. How long yours lasts depends on the materials, how often it's used, the weight it supports, and how well it's cared for. Mattresses wear out because:

• Foams and springs gradually lose their resilience, causing sagging and less support.
• Moisture can damage materials and encourage mold and mildew.
• Heavier use and body weight put more stress on the materials.

If your mattress sags, causes discomfort, or no longer supports you, it's time to replace it, even if it hasn't reached the average lifespan. An encasement also protects a mattress from sweat, spills, and stains, which helps it last longer.

Ways to Extend the Life of Your Current Mattress

If a new mattress isn't in the budget yet, these steps can help:

• Add a topper. A quality topper adds comfort and pressure relief. Encase the topper together with the mattress.
• Encase it. An allergen-proof encasement blocks allergens and protects against spills.
• Rotate it. Turn the mattress 180 degrees every few months, and flip it if it's double-sided, to even out wear.
• Check the foundation. A worn-out box spring or frame can make a good mattress feel bad. Replace the base or add support boards.
• Keep it clean and dry. Vacuum the surface and spot-clean stains with mild detergent and water, and let it dry completely. Nobody can clean the inside of a mattress, only the surface.
• Adjust your pillows and sleep position. The right pillow support can relieve discomfort on an older mattress.

Where to Buy Your New Mattress

Search online and you'll find hundreds of mattress brands. Don't get lost in the weeds: buy from well-established mattress manufacturers.* Established companies offer:

• Consistent quality control and product testing
• A long track record of customer reviews
• Warranties they are more likely to honor
• A wide range of options
• In-home trial periods and clear return policies

Your mattress is an investment in your money and your health. Do your research, read reviews, and compare options before you buy.

*This is an affiliate link. If you make a purchase through it, AllergyStore.Com may earn a commission at no extra cost to you.

Sources

• Asthma and Allergy Foundation of America — Allergy Facts and Figures
• American Academy of Allergy, Asthma & Immunology — Managing Indoor Allergens
• AAAAI and ACAAI — Environmental Assessment and Exposure Control of Dust Mites: A Practice Parameter
• Craig TJ, Teets S, Lehman EB, Chinchilli VM, Zwillich C. Nasal congestion secondary to allergic rhinitis as a cause of sleep disturbance and daytime fatigue and the response to topical nasal corticosteroids. J Allergy Clin Immunol. 1998;101(5):633–637.
• Léger D, Annesi-Maesano I, Carat F, et al. Allergic rhinitis and its consequences on quality of sleep: an unexplored area. Arch Intern Med. 2006;166(16):1744–1748.
• Stuck BA, Czajkowski J, Hagner AE, et al. Changes in daytime sleepiness, quality of life, and objective sleep patterns in seasonal allergic rhinitis: a controlled clinical trial. J Allergy Clin Immunol. 2004;113(4):663–668.
• Stull DE, Meltzer EO, Krouse JH, et al. The impact of allergic rhinitis on work productivity. Prim Care Respir J. 2007;16(2):98–105.
• Marshall PS, O'Hara C, Steinberg P. Effects of seasonal allergic rhinitis on selected cognitive abilities. Ann Allergy Asthma Immunol. 2000;84(4):403–410.

Want the complete picture? Everything on this page is part of our free Practical Guide to Allergy-Free Living, built on allergy expertise we've been sharing since 1989 and covering dust mites, pet dander, air quality, laundry, and more. Start at the beginning or jump to the section that matters most to you.