How Often Should You Wash Your Bed Sheets

How Often Should You Wash Your Bed Sheets

Author
How Often Should You Wash Your Bed Sheets

Rory Donnelly

Published

April 29 2024

Last Updated

May 20 2026

Most people should wash their bed sheets once a week. Regular washing helps remove sweat, body oils, dust mites, dead skin cells, and allergens that build up over time. If you sweat heavily, sleep with pets, have allergies, or are sick, washing sheets every 3–5 days may be better.

Clean sheets can help improve sleep comfort, reduce odors, and keep your sleeping environment fresher and healthier.

How Often Should You Wash Your Sheets

Most people should wash their sheets once a week to keep their bed clean, fresh, and comfortable. Over time, sheets collect sweat, body oils, dead skin cells, dust, and allergens, even if they look clean. Washing them regularly helps improve hygiene and sleep quality. However, some people may need to wash their sheets more often, especially if they sweat heavily at night, sleep with pets, have allergies, or are sick. In less frequently used beds, such as guest rooms, washing sheets every two weeks is usually enough.

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Washing Frequency for Other Types of Bedding

Type of Bedding

Recommended Wash Frequency

Fitted and top sheet

It's best to wash these every week or every two weeks.

Pillowcases

Pillowcases should be washed weekly.

Duvet covers

If you don't use a top sheet, aim to wash duvet covers weekly. If you do use a top sheet, monthly washing should suffice.

Comforters

For those who skip the top sheet, washing comforters weekly is advisable. If you use a top sheet, monthly washing is adequate.

Duvet inserts

These should be washed every three months.

Weighted Blanket

Every three months is the recommended washing frequency. If the blanket is over 20 pounds, it's best to take it to a laundromat for cleaning.

Mattress pad

Aim to wash mattress pads every three to four months.

Pillow inserts

Pillow inserts should also be washed every three to four months.

Why You Need to Wash Your Sheets

Washing your sheets becomes essential because of the following reasons:

  1. Skin Shedding

    Have you ever thought about the dead skin you leave behind? On average, a person sheds about 1.5 grams of keratinocytes, mostly consisting of the protein keratin, every day. That's nearly half a teaspoon of dead skin visually.

    Friction, such as rubbing against your bedsheets, contributes to shedding the outer layer of skin cells.

  2. Bacterial Growth

    When dead skin cells accumulate on your sheets, bacteria thrive. They see these cells as an ideal environment to multiply, colonizing your bedding and pillows.

    However, investing in antibacterial bedding from Copper Clothing which comes infused with copper ions can help to solve this issue. Copper fabric helps with eliminating bacteria upon contact, ensuring fresher sheets for longer periods.

  3. Dust Mites

    Dust mites are microscopic creatures that feed on dead skin cells. These tiny arachnids are present worldwide and can number up to a million in a single day, feeding on the dead skin we naturally shed.

    While they don't bite or burrow into the skin like other pests, dust mites can contribute to health problems if left unchecked.

  4. Pet-Related Concerns

    If you share your bed with pets, be aware that they can introduce fungal organisms that may cause skin issues in humans. From ringworm to more severe infestations like scabies, transmitted by mites, pets can inadvertently transfer these parasites.

    Regularly washing your sheets can help prevent the spread of these potential health concerns.

Why You Need to Wash Pillowcases More Often

Pillowcases collect more sweat, facial oils, dead skin cells, and hair products than most other bedding items because they stay in direct contact with your face and hair every night. Over time, this build-up can make pillowcases feel less fresh and may contribute to skin irritation or acne for some people.

Washing pillowcases more often ideally once or twice a week helps keep them cleaner, fresher, and more comfortable to sleep on. Regular washing can also reduce dust, allergens, and odors that collect on the fabric.

Additional Unwanted Elements in Your Bed

  1. Bodily Fluids: People sweat a lot in bed each year, around 26 gallons! And there's also oil and saliva to think about.
  2. Beauty Products: Even if you wash your face before bed, you might still have makeup or lotion residue on your skin.
  3. Crumbs: If you snack in bed, you might end up with crumbs on your sheets.
  4. Pet-related Germs: Besides shedding fur and mites, your pets can bring in dirt, feces, or litter on their paws.

All of these things give bacteria more reasons to stick around while you're trying to get some sleep.

What Happens When You Don't Wash Your Sheets

  1. Allergies:Dust mites can cause allergic reactions in many people, leading to symptoms such as itching, asthma flare-ups, and seasonal allergies.
  2. Respiratory Problems: Individuals with asthma are more likely to experience dust mite allergies. However, even without a pre-existing condition, sharing a bed with dust mites can lead to symptoms like wheezing and difficulty breathing.
  3. Skin Irritations:Prolonged exposure to dust mites can result in skin rashes, while certain bacteria may also contribute to this condition.
  4. Eczema Aggravation: Eczema, a common skin condition, can worsen due to the presence of dust mites and bacteria on bedding, leading to increased dryness and bacterial growth.
  5. Follicular Inflammation: Exposure to bacteria in bedding can increase the risk of folliculitis, which involves inflammation, infection, or irritation of hair follicles.

Closing Thoughts

Keeping your sheets clean is a simple step towards better sleep. Washing them weekly might not always be convenient, but it can make a big difference in how you feel. If you'd prefer to wash less often, copper-infused sheets are a cool option that can help keep things fresh for longer. No matter what you choose, remember that clean sheets mean a cleaner and healthier you!

 

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