Getting sweat stains out of a mattress can often be accomplished with a few simple household ingredients and some elbow grease. To effectively remove the sweat stains, strip the bed of all bedding, mix a solution of equal parts cold water and distilled white vinegar, and lightly spray or dab it onto the stain. Once the solution has had a chance to work into the fabric, sprinkle a generous amount of baking soda over the area and let it sit for several hours or overnight to absorb odors and moisture. Afterward, vacuum the residue thoroughly. Always remember to test a small, inconspicuous area first to ensure there’s no discoloration or damage to your mattress fabric.
Understanding Sweat Stains on Mattresses
Why Do Sweat Stains Occur?
Sweat stains on mattresses are a common issue that can occur for various reasons. When we sleep, our bodies continue to regulate temperature, which can lead to perspiration. This sweat can seep into the mattress, leaving behind yellowish stains and potential odors. These stains are made up of a combination of sweat, body oils, and other bodily fluids that can gradually discolor the mattress fabric.
Preventing Sweat Stains
Prevention is always better than cure, and there are several measures you can take to minimize sweat stains on your mattress:
– Use a Mattress Protector: A good quality, breathable mattress protector can prevent sweat and other bodily fluids from penetrating into the mattress.
– Maintain a Cool Sleeping Environment: By keeping the room cool and using breathable bedding, you can reduce the amount of sweat your body produces during the night.
– Practice Good Hygiene: Showering before bed and using clean pajamas can reduce the oils and sweat transferred to your bed.
Our Top 5 Mattress Picks
Updated September 2026EGOHOME 8-Inch Green Tea Memory Foam Mattress, Full, Medium Firm
Best for most bedrooms. A medium-firm green tea memory foam mattress with a cooling gel layer, delivered rolled in a box.
- Full size, 8 in
- Medium firm
- Cooling green tea gel
- CertiPUR-US, fiberglass free
OhGeni Queen Air Mattress with Built-in Pump, 18-Inch Raised
Best for guests and camping. Inflates in about three minutes with the built-in pump and sits 18 inches off the floor, so it feels like a real bed.
- Queen, 18 in raised
- Built-in pump
- 800 lb capacity
- Waterproof PVC
Novilla 6-Inch Gel Memory Foam Mattress, Twin
Best budget twin. A slim gel memory foam twin that suits kids' rooms, bunk beds and trundles where a thick mattress won't fit.
- Twin, 6 in
- Gel memory foam
- Cooling
- CertiPUR-US
Zinus 8-Inch Green Tea Memory Foam Mattress, Twin
Best-known brand. Zinus's long-running green tea foam design in twin size, with both CertiPUR-US and OEKO-TEX certified materials.
- Twin, 8 in
- Green tea memory foam
- CertiPUR-US & OEKO-TEX
GAESTE 8-Inch Cooling Gel Memory Foam Mattress, Full, Medium Feel
Best for hot sleepers. Cooling gel memory foam with a medium feel, plus a machine-washable, anti-slip cover you can actually clean.
- Full size, 8 in
- Medium feel
- Cooling gel foam
- Washable cover
- Fiberglass free
Detailed Steps to Remove Sweat Stains
Initial Cleaning with Vinegar and Water
1. Remove all bedding and wash it separately.
2. In a spray bottle, mix equal parts cold water and distilled white vinegar.
3. Test the solution on a small, hidden part of the mattress to ensure no discoloration occurs.
4. Lightly spray the vinegar solution directly onto the sweat stain, making sure not to soak the mattress.
5. Let the solution sit for 15 to 20 minutes.
6. Using a clean, damp cloth, gently blot the area to lift the stain.
Applying Baking Soda
1. Sprinkle a substantial amount of baking soda over the vinegar-treated area.
2. Leave the baking soda on the stain for several hours or even overnight; the longer, the better, as it absorbs moisture and neutralizes odors.
3. Use a vacuum with an upholstery attachment to carefully remove all the baking soda residue from the mattress.
Alternative Cleaning Solutions
1. Hydrogen Peroxide: If the vinegar solution isn’t effective enough, you can try using a mixture of one part hydrogen peroxide with two parts cold water. Apply the mix using the same method as the vinegar solution.
2. Dish Soap and Water: For lighter stains or for those with sensitive skin who may want to avoid stronger cleaning agents, a mixture of dish soap and water can be used to blot the stain.
3. Commercial Enzyme Cleaner: These cleaners are designed to break down proteins in bodily fluids and can be especially effective on organic stains like sweat. Follow the product’s instructions for best results.
Maintenance Tips for Your Mattress
Regular Cleaning Routine
Regular maintenance can extend the life of your mattress and keep it fresh. Vacuuming your mattress monthly can reduce dust and allergens, while spot-cleaning stains as soon as they happen prevents them from setting in.
Flip and Rotate
If your mattress is double-sided, flipping and rotating it every 3-6 months can prevent uneven wear and prolong its lifespan. Even if the mattress is not double-sided, rotating it can help maintain its shape.
Air Out Your Mattress
Whenever you change your bedding, let your mattress air out for a few hours. This can help moisture evaporate and prevent mold and mildew growth.
When to Consult a Professional
Tough Stains and Deep Cleaning
Sometimes, despite your best efforts, a stain might be too stubborn or the mattress may require a deep clean. In these cases, it might be time to call in a professional cleaning service. They have specialized equipment and advanced techniques to deeply clean a mattress without causing damage.
Finishing Thoughts
Dealing with sweat stains on a mattress can be frustrating, but with the right techniques and a bit of patience, you can effectively remove them and keep your mattress looking and smelling fresh. A consistent cleaning routine paired with protective measures can prevent many stains from occurring in the first place. However, if the task proves too challenging or the mattress has other issues such as a deep-seated odor or mold, don’t hesitate to seek professional help. Keeping your sleeping environment clean is not only beneficial for your mattress’s longevity but also crucial for your overall health and well-being.
