If you’re not washing your pillowcases and sheets regularly, a recent study might change your habits. Experts recommend laundering bedding at least once a week to maintain hygiene, and new research from mattress company Amerisleep highlights why this is so important.
The study revealed that unwashed bedding can harbor bacteria levels comparable to some of the dirtiest surfaces we encounter daily—like toilet seats and pet bowls. Amerisleep tested the buildup of bacteria on pillowcases and sheets over four weeks, with shocking results.
After just one week, pillowcases were found to contain around 3 million colony-forming units (CFU) of bacteria per square inch, which is times more than the amount found on a toilet seat. Sheets held an average of 5 million CFUs, which is times more than a bathroom doorknob. By week four, the numbers were even worse—pillowcases had almost 12 million CFUs, while sheets averaged close to 11 million CFUs, far exceeding the bacteria found on pet bowls and toothbrush holders.
Some of it can pose risks, including gram-negative rods, which may cause antibiotic resistance and infections, and Bacilli, known for food poisoning. However, not all bacteria found were harmful—some were relatively harmless gram-positive bacteria.
While bacteria are everywhere, including on our skin, it’s still essential to minimize exposure to harmful germs, particularly in your sleep environment. The solution? Wash your bedding weekly. This simple practice helps reduce the buildup of bacteria, keeps your bed fresh, and promotes a healthier sleep space.
In addition to regular bedding cleaning, here are five tips to maintain better hygiene at home:
Wash your hands regularly, especially after using the bathroom or handling food.
Clean high-touch surfaces, such as door handles and electronic devices, with disinfectants.
Clean dishes immediately and sanitize counters to prevent cross-contamination.
Refrigerate perishable foods and store leftovers properly.
Keep your home well-ventilated to reduce the buildup of indoor air pollutants.
By following these practices and keeping your bedding clean, you can reduce unnecessary exposure to germs and ensure a healthier living environment.
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