When your sheets look and feel clean, you may be wondering why you need to wash your bedding. "It’s important to remember to wash your bedding regularly because dirt, fungi, bacteria, skin cells, and sweat can accumulate in the fibers," says Biller.
"Washing your sheets and pillowcases more frequently is great for your skin and will extend the life of your pillows, mattress, and comforter," adds Biller. "Over time dust, dirt, sweat, and body oils build up and can break down fibers and damage the fabric."
Our guide on how to wash your bed sheets properly will help you out if this chore wasn't usually at the top of your list.