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Primrose Freestone, Senior Lecturer in Clinical Microbiology, University of Leicester

How often should you really be washing your bedding? A microbiologist explains

A man is eating snacks in a dirty bed. Andrey_Popov/Shutterstock

Most of us spend around a third of our lives in bed. Sleep isn’t just downtime; it’s essential for normal brain function and overall health. And while we often focus on how many hours we’re getting, the quality of our sleep environment matters too. A clean, welcoming bed with crisp sheets, soft pillowcases and fresh blankets not only feels good, it also supports better rest.

But how often should we really be washing our bed linens?

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