How many bacteria will be introduced to your bed if you don't change your sheets for a month? We spend a third of our lives in bed, but your bed might actually be a cesspool of filth and dirt. Don't believe it? Read on.

　    Is your bed dirtier than a garbage dump? Not changing your sheets for a month means you're sleeping on 2 billion bacteria.

        Our sheets collect all kinds of dirt, such as dead skin, oil, saliva, body stains, dust, sweat, and even urine and feces. Therefore, the bed environment is humid and prone to fungus growth.

       Data shows that if you don't wash your pillow, bed sheet, or bed sheet for a week, you could potentially accumulate 3 to 5 million CFUs (colony-forming units) of bacteria per 6 square centimeters. If you don't wash your bed sheet for a month, that number could reach nearly 12 million. A bed sheet is approximately 4 square meters, or 6,666 6-square-centimeter sheets. That means at least 800 million bacteria are sleeping with you. And that doesn't even include the bed sheet and pillow. The total number of bacteria "embracing" you every night could reach 2 billion...

      10 gross things that might have lived in your bed

      1. Pets

　　Pets may look cute, but their cuteness can significantly increase the risk of worms, animal diseases, and fleas growing in your bedding. A nine-year-old boy died of the Black Death as a result. If cute pets don't make you more vigilant, then read on...

　　2. Staphylococcus aureus

　　The study found methicillin-resistant Staphylococcus aureus, a "superbug", on pillows and sheets. They invade the human body through wounds or the mouth, potentially causing blood poisoning (sepsis) or stopping the body's normal functions. Two to five percent of cases are untreatable.

　　3. Escherichia coli

　　This is a potentially deadly germ that can lurk in pillows; its symptoms include fever, flu-like symptoms, and affect the brain and kidneys.

    　4. Ants

　　Everyone knows these insects, the ones that sneak their way to the top of the food chain, eating everything from earthworms to human skin; the ants also invade people's beds, and their venom can trigger a severe allergic reaction—a systemic allergy.                                       

　　5. Aspergillus fumigatus

　　This is a fungus that grows on artificial bedding. It can infect the lungs and brain, causing aspergillosis, and people with weakened immune systems are more susceptible to the disease.

　　6. Toxic gases

　　Modern mattresses contain many volatile organic compounds, some of which are ingredients in detergents; the toxic gases can cause migraines, neurological diseases, and even cancer. Infants and young children are at greatest risk. Studies have confirmed that modern cribs contain more than four times more toxic substances than previous products.

　　7. Lice

　　Dirty beds can be infested with lice, which can live for up to four weeks; they also suck blood at night, causing itchy skin or colds.

　　8. Bacterial spores

　　Cladosporium fungi thrive on damp sheets. They affect the skin and respiratory system, and inhaling mold spores can trigger asthma and pneumonia or cause onychomycosis, a condition characterized by damaged skin and cracked nails.

　　9. Dust mites

　　Studies have found that beds may be home to between 100,000 and 10 million dust mites; they feed on dead skin and their waste can trigger asthma.

　   10. Bedbugs

　　They suck blood while you sleep, potentially biting 500 times a night; they can spread diseases such as heart inflammation and, in one case, even caused a life-threatening iron deficiency.

       So, how do you remove them? Experts recommend washing your bedding at least once a week, using hot water at 55-60 degrees Celsius and choosing the right detergent. Otherwise, you risk adding new chemicals to your bedding. After washing your bedding, it's best to run your washing machine through an empty cycle with a disinfectant to ensure the mattress and pillows are thoroughly cleaned of any residual debris.

       Bedding should not only be washed frequently but also dried in the sun for the best sterilization effect, as ultraviolet rays can effectively kill microorganisms. Pillows should be ironed at high temperatures to kill any remaining bacteria.

　　After reading the above introduction, do you know what are the key points of cleaning sheets, quilts and pillows? Let's take a look at how to wash sheets and quilts, let's learn!

　　1. Clean it at least once a week. If that's not possible, at least clean it more often.

　　2. Clean the pillow core twice a year; replace the pillow every two years.

　　3. Replace your bedding every seven years to reduce bacterial infections. Studies have shown that even bedding suffers from the "seven-year itch": new bedding harbors only 3 million bacteria per square inch, but this increases to 9 million after two years, 13.5 million after five years, and 16 million after seven years.

　　5. Keep pets away from the bed and do not eat or drink on the bed.

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