According to Laundry Experts, You Should Be Washing Your Sheets at Least Once a Week

thorough washing and rinsing.

Wash large bedding loads separately when necessary.

Using too much detergent
Excess detergent can leave a film on fabric and may contribute to buildup inside the washing machine.

Use the amount recommended for your load.

Leaving wet sheets in the washer
Leaving damp laundry sitting in the machine for hours can lead to unpleasant odors.

Move sheets to the dryer or hang them to dry promptly after the cycle finishes.

Putting slightly damp sheets away
Always make sure bedding is completely dry before folding and storing it.

Even a little trapped moisture can create a musty