How often should you change bed sheets?

Experts say that you should change your bed sheets, pillowcases and duvet covers once a week or at the most every two weeks. If you don’t wash your bed linen regularly you could worsen existing health problems like allergies and asthma.

However, a recent YouGov poll found that one in 20 people wash their sheets once every four weeks and over a third only wash their bed linen every two to three weeks!

If someone's ill then experts recommend that their bedding should be changed every day if possible or at least that their pillowcase is cleaned daily.

Why should you regularly change your bed sheets?
Our sheets, duvet covers and pillowcases unfortunately rack up a variety of bodily fluids, dirt from outside and dead skin cells as we sleep on it. Dust mites feed off these dead skin cells which can worsen asthma and set off dust mite allergies. If you don’t clean your bed linen regularly, then those bodily fluids can seep into your pillows, duvets and mattresses which are always much harder to clean than your sheets, duvet covers or pillowcases.

Top tip
‘Dry sheets and pillowcases in direct sunlight if you can, as UV light is effective in killing micro-organisms. Run a hot iron over pillowcases on the cotton setting (200c) to kill any leftover bacteria.’ - Microbiologist Laura Bowater.

See How to clean and care for your bed linen.

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