"If You Don't Wash Pajamas Frequently, They Can Become an 'Infection Route' ? Isn't Wearing Them for 2-3 Days Normal?"

Experts advise that pajamas, which we wear every day, not only provide an environment where microorganisms can easily thrive, but also accumulate waste expelled through flatulence, making it best to change them daily.

Flatulence and sweat released during sleep come into contact with pajamas, promoting bacterial growth and contamination

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Recently, the UK’s Daily Mail published an interview with Primrose Freestone, Associate Professor of Clinical Microbiology at the University of Leicester. Dr. Freestone emphasized, “If possible, it is best to change pajamas every day,” adding, “If you shower before bed and do not sweat much, you can wear them up to three or four times at most.” However, she added that people who sweat heavily should change their pajamas daily.

Millions of bacteria, fungi, and viruses reside on human skin, and about half a cup of sweat released during sleep is mostly absorbed by pajamas. This creates warm and humid conditions that are optimal for microbial growth. These microorganisms feed on dead skin cells, sweat, and sebum, producing substances that cause unpleasant odors. If you eat food while wearing pajamas, food particles may remain on the fabric, further promoting bacterial activity.

Flatulence also contributes to pajama contamination. Passing gas throughout the day can leave several milligrams of waste on your underwear. Dr. Freestone warned that if such contaminants accumulate on pajamas, they can become a source of unpleasant odors.

Pajamas in direct contact with skin and genitals can serve as a route for infection, including norovirus

Research from the London School of Hygiene & Tropical Medicine shows that bedding and pajamas can act as a route for infection transmission between people. Pajamas that come into direct contact with the genitals and bodily fluids have a higher risk of transmitting infections compared to other clothing. Particular attention should be paid to infectious diseases such as norovirus, which can be spread through fecal matter. In addition, skin cells left on pajamas can become food for dust mites or fungi, leading to ▲allergies ▲asthma ▲lung diseases, and these risks are even greater for individuals with weakened immune systems.

Washing at temperatures above 60 degrees Celsius is necessary... If not possible, use disinfectants, dryers, or steam irons

It is important not only to change pajamas daily, but also to wash them properly. Dr. Freestone advised washing pajamas at temperatures above 60 degrees Celsius. Lower washing temperatures may remove dust and sweat, but are less effective at killing bacteria. If washing at high temperatures is not possible, using laundry disinfectants is recommended. To suppress the growth of any remaining bacteria, using a high-temperature dryer or a steam iron is also an effective alternative.