Sheets: Wash once a week Your sleep sanctuary is a lot grosser than you might think. One study found that a week-old bedsheet had 24,631 times more bacteria than a bathroom door knob. Experts are ...

A version of this article appears in print on Nov. 14, 2024, Section D, Page 3 of the New York edition with the headline: How to; Hand-Wash Your Clothes. Order Reprints | Today’s Paper | Subscribe ...