Your mattress serves more than just a practical purpose; it’s a significant part of your daily life. It’s where you spend hours sleeping, often sweating and shedding skin cells, and it can even be a place for intimate moments. This close contact means that your mattress requires regular cleaning to maintain a healthy environment.
While tossing a mattress into a washing machine is impractical, there are effective cleaning methods that involve care and creativity, especially for foam mattresses. I have cleaned several mattresses, primarily before donating them, but I wanted to ensure I was following the best practices. Therefore, I consulted over a dozen experts in bedding and cleaning to gather their top tips for refreshing your mattress. This article will highlight their recommendations, including the surprising benefits of shaving foam and vinegar, as well as crucial guidelines to avoid vacuuming wool mattresses.
Although a dirty mattress is unlikely to cause immediate harm, neglecting its cleanliness can lead to serious issues such as mold growth, allergies, and a reduced lifespan for the mattress. Experts recommend cleaning your mattress every six months to prevent these problems.
The primary source of dirt on your mattress is you. As you sleep, your body releases sweat, oils, and dead skin cells. If you sweat heavily at night, whether due to stress, menopause, or medication, you can lose up to a liter of fluid, which seeps into the mattress.
While some of this debris is absorbed by your bedding, a significant amount penetrates the mattress itself, creating a hospitable environment for bacteria, mold, and dust mites. Estimates suggest that a typical mattress harbors between 1.5 million and 10 million dust mites, which can trigger allergies.
Dr. José Costa, a senior allergy consultant at the Children’s Allergy Clinic, notes that dust mites are a leading cause of allergic asthma, potentially resulting in chronic respiratory issues later in life. The real problem lies not with the mites themselves but with the allergens found in their droppings. Allergy UK explains that these waste products can continue to provoke allergic reactions long after the mite has died.
To start the cleaning process, remove all bedding from your mattress. Wash sheets, pillowcases, and mattress protectors at 40°C, or at 60°C if the labels permit. If you have an electric blanket, unplug it and wash it according to the manufacturer’s instructions. Don’t forget to clean your duvet and pillows as well, either in a washing machine or at a dry cleaner.
Abby Woodvine, an interiors expert at Happy Beds, suggests initiating a “bare mattress reset.” She emphasizes that washing all bedding at once helps eliminate sweat, dust, and other build-up, resulting in a much cleaner sleeping area. While the mattress is stripped, it’s beneficial to let it air out. Woodvine recommends opening windows or allowing some airflow to help evaporate trapped moisture and keep odors at bay.
Next, vacuum the mattress. Woodvine advises paying special attention to seams and edges, as these areas often collect dust and debris. Using a crevice attachment can help remove dirt from tight spaces. Hannah Shore, a sleep scientist at Mattress Online, reinforces the importance of ensuring your vacuum and its attachments are clean before starting. She suggests focusing on small sections and remembering to vacuum under and around the bed.
However, if your mattress is made of wool or other natural fibers, avoid vacuuming altogether. Chris Tattersall, managing director of Woolroom, warns that high suction can damage the fillings and disrupt the mattress’s structure. Instead, he recommends low-maintenance practices such as airing out, rotating, and spot cleaning to preserve the integrity of natural fillings.
Experts frequently mention baking soda as an essential tool for mattress cleaning, particularly for dealing with moisture and odors. Catherine Green from the sustainable cleaning brand Smol advises sprinkling baking soda on the mattress surface after vacuuming. Let it sit for several hours, or overnight if possible, before vacuuming it up. Avoid rubbing the baking soda in, as this can damage the fabric and lead to staining.
If your mattress still retains odors after using baking soda, consider utilizing white vinegar. A light spray of diluted vinegar can effectively neutralize persistent smells. Following this cleaning regimen will help maintain a fresh and healthy sleeping environment for years to come.




















