If you tend to rewear your PJs, a laundry expert has a word of caution for you.

If you fall into the last camp, were not here to judge.

How often you wash your pajamas really comes down to preference and habits, she adds.

gray and white PJs in washing machine

Credit:Getty Images / Yaraslau Saulevich

In other words, to each their own.

For example, synthetic fabrics like polyester tend to retain moisture and odors more quickly than cotton orsilk.

Note that if youre getting over a sickness, they should be washed immediately to eliminate germs.

Here are some ways you could keep pajamas cleaner for longer: