How Often Should I Wash, Replace or Clean That?

From washing your sheets to changing your smoke alarm batteries, there's a time for everything
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Change your sheets

Not long after you put a fresh set of sheets on your bed, they start to collect everything under the sun — bacteria, dead skin cells, skin oils, dust mites, fecal matter, fungi, mold, sweat and streaks of old makeup and lotion, says germ expert Philip Tierno, PhD, a professor of microbiology and pathology at the New York University School of Medicine. So if you're the type to let your sheets go weeks before washing them, you might want to change your ways.

If you’re always freshly bathed before you turn in at night and never eat your nighttime snacks in bed, you probably can launder your linens every two weeks. For most people, though, a weekly change is best, says Kelly Reynolds, MSPH, PhD, a microbiologist and professor at the University of Arizona. In summer, or if you sweat a lot at night, you may want to freshen your bedding more frequently.

Related: How Often Should Your Wash Your Sheets?

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