According to Microbiologist, Phillip Tierno of New York University
our bed linens can “quickly blossom into a botanical park of bacteria and fungus.”
If left for too long, the microscopic life within the wrinkles and folds of our bed sheets can even make us sick,
> We can recall – years ago – the bed linens in any acute care facility (e.g., hospital) the bed linens were changed daily. Food for thought <<
Humans naturally produce roughly 26 gallons of sweat in bed every year. When it’s hot and humid outside, this moisture becomes what scientists call an “ideal fungal culture medium.”
In a recent study that assessed the level of fungal contamination in bedding, researchers found that a test sample of feather and synthetic pillows that were 1 1/2 to 20 years old contained as many as 16 species of fungus each.
And it’s not just your own microbial life you’re sleeping with. In addition to the fungi and bacteria that come from your sweat, sputum, skin cells, and vaginal and anal excretions, you also share your bed with foreign microbes.
These include animal dander, pollen, soil, lint, dust mite debris and feces, and finishing agents from whatever your sheets are made from, to name a few.
Tierno says all that gunk becomes “significant” in as little as a week. And unclean bedding still exposes you to materials that can trigger the sniffing and sneezing, since the microbes are so close to your mouth and nose that you’re almost forced to breathe them in.
“Even if you don’t have allergies per se, you can have an allergic response,” Tierno said.
Another reason your sheets get dirty quickly has little to do with your behavior or sweat patterns — the issue is simply gravity.
“Just like Rome over time was buried with the debris that falls from gravity, gravity is what brings all that material into your mattress,” Tierno said.
One to two weeks of this buildup is enough to leave anyone with a scratchy throat — especially those with significant allergies or asthma. (One in six Americans has allergies.)
“If you touched dog poo in the street, you’d want to wash your hands,” Tierno said.
“Consider that analogous to your bedding. If you saw what was there — but of course you don’t see it — after a while you have to say to yourself, ‘Do I want to sleep in that?’
So what does Dr. Tierno suggest?
To stem the invisible tide, he said, sheets should be washed once a week — >> More Often when bed linens are visibly soiled and an infection is being treated <<
Proper ways to handle soiled linens:
There is now a common understanding that linens, once in use, are usually contaminated and could be harboring microorganisms such as MRSA and VRE.
Further, the Centers for Disease Control and Prevention (CDC) cautions that healthcare professionals should “handle contaminated textiles and fabrics with a minimum agitation to avoid contamination of air, surfaces, and persons.” Even one of the leading nursing textbooks, Fundamentals of Nursing, states, “Soiled linen is never shaken in the air because shaking can disseminate secretions and excretions and the micro organisms they contain.” This text also states, “…linens that have been soiled with excretions and secretions harbor microorganisms … can be transmitted to others.”
According to Fundamentals of Nursing, when handling linens in any acute care and healthcare facility:
1. You should always wash your hands after handling a patient’s bed linens.
2. You should hold soiled linen away from your uniform.
3. Soiled linen is never shaken in the air because shaking can disseminate the micro-organisms they contain.
4. Linen from one patient’s bed is never (even momentarily) placed on another patient’s bed.
5. Soiled linens should be placed directly into a portable linen hamper or tucked into a pillowcase and the end of the bed before it is gathered up for disposal in the linen hamper or linen chute.
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