The average person may sweat up to 1 liter of fluid per night, which creates a perfect breeding ground for mites. Scientists estimate that there could be as many as 1.5 million dust mites living in the average bed feeding on our old skin cells that we shed onto our sheets as we sleep.
It’s not so much their existence – as what they leave behind that poses problems for humans. Their excretions can irritate dust allergies and cause asthma flare ups when inhaled.
Scientists say that leaving your bed unmade might not make much of a difference but, If you immediately make your bed, the tight sheets will trap millions of dust mites that live on your bed, feeding off your dead skin cells and sweat and potentially contributing to asthma and allergy problems. An unmade and open bed, however, exposes the creatures to fresh air and light and will help dehydrate and kill them off.
Making your bed later in the morning after you eat your breakfast and get ready for the day ahead might be a good choice. You should however wash your sheets and pillow cases every one to two weeks.
Some experts have recommended leaving your bed unmade for the entire day – saving this chore for when you get home at night.
After a day’s exposure to fresh air and light, many of the dust mites in your bed will have died, leaving you to breathe a little easier and scientific excuse as to why you haven’t made your bed.
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