How Often to Wash Sheets: A Schedule for the Whole Bed

Even if your sheets look clean, they collect sweat, skin cells, body oils, saliva and dust every night. Over time that buildup can make bedding smell stale, dull the fabric and feed dust mites, which matters if anyone in the house has allergies.

There is no single official rule, but a weekly wash is the most common recommendation. This guide breaks down every layer of the bed, plus the settings that get bedding clean without wearing it out.

Sheets and pillowcases: weekly is the standard

Once a week is a sensible default for fitted sheets, flat sheets and pillowcases. If that is not realistic, every two weeks is generally fine for one person who showers before bed and does not sweat heavily.

Pillowcases take the most contact with face and hair, so some people swap them twice a week, especially if they have acne-prone skin or use hair or skin products at night.

When to wash more often

Increase the frequency, ideally to more than once a week, if any of these apply.

• You sweat a lot at night or it is hot and humid.
• You or a partner has been sick.
• Anyone has dust mite allergies or asthma.
• Pets sleep on the bed.
• You eat in bed or go to bed without showering.
• You have acne or skin conditions that bedding might irritate.

The rest of the bed: a schedule

Different layers need different frequencies.

• Duvet cover: every one to two weeks, or weekly if you sleep without a top sheet.
• Mattress protector: every one to two months, and immediately after spills or accidents.
• Blankets and throws: every one to three months, depending on use.
• Comforters and duvet inserts: two to four times a year, if the care label allows.
• Washable pillows: every three to six months.
• Mattress: vacuum every few months and spot-clean as needed.

The best way to wash sheets

Follow the care label, but for most cotton and cotton-blend sheets, the warmest water the label allows does the best job of removing body oils. Warm water is fine for regular washes; hot water is useful when someone has been sick or for allergy sufferers, if the fabric allows it.

Do not overload the washer. Sheets need room to move, and a packed drum leaves them tangled and poorly rinsed. Wash sheets separately from towels, which shed lint and can be rough on fine weaves.

Use the recommended amount of detergent. Extra detergent does not mean cleaner sheets; it leaves residue that can make fabric feel stiff.

Tip: Shake out fitted sheets before putting them in the dryer so they do not ball up, and remove them promptly to cut down on wrinkles.

Fabric-by-fabric notes

Cotton and percale are durable and handle warm water and normal drying. Linen softens with washing but can shrink in hot water; wash warm or cool and dry on low or line-dry. Silk and satin need cold water and a delicate cycle, often in a mesh bag. Microfiber and polyester dry quickly but can hold oils, so avoid very hot temperatures and skip fabric softener, which can coat the fibers.

Make it a routine

Choosing a regular day, such as every Sunday morning, makes weekly sheet washing automatic. Having two sets of sheets per bed helps: put the clean set on straight away, then wash the dirty set without rushing.

Airing the bed for a little while each morning by pulling back the covers lets moisture escape and keeps sheets fresher between washes.

General information only. Check product labels and manufacturer instructions before you start.