In a May study, 41% of participants reported experiencing night sweats in a month ... at once may be too much and you may not ...

When a duvet is used in addition to a top sheet, then she advises washing once a month. Pillowcases that are used nightly ...

Experts are close to unanimous in saying that you should wash your bedsheets at least once a week — and if you regularly sleep with pets, you should probably do laundry even more often ...

Wash your sheets, and wash them often. Experts recommend about once a week using the hottest water possible. That'll kill a lot of bacteria and dust mites, get out stains, and remove oils.

And, let's not forget the critters. Dirty sheets increase the number of dust mites in your mattress. They're inevitable, but regular washing and vacuuming can keep their numbers in check.

“In terms of how often you should be washing your sheets, it is generally recommended that you wash them twice a month. However, if you have been sick or are experiencing an increase in allergy ...