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What's Eating You? 5 Creepy Crawlies Lurking in Your Sheets

Your bedsheets are more than just a cosy cocoon for a good night's sleep – they're also home to a hidden world of microbes and bacteria. Let’s find out what creatures are crawling on you while you snooze, plus the easiest ways to protect your skin, hair and immunity with sheet hygiene. 

Our bedsheets accumulate various microorganisms over time, including bacteria, fungi, and even dust mites. These uninvited guests thrive in the warmth and humidity provided by our bodies during sleep. While most of these microbes are harmless or even beneficial, some can lead to skin issues or allergies. It's essential to strike a balance between promoting a healthy microbiome and ensuring cleanliness. Here’s why. 

Skin Health: Sleeping on unwashed sheets can contribute to skin problems, such as acne and rashes. Microbes and oils from your body accumulate on the fabric, creating a breeding ground for acne-causing bacteria. Regular washing of your sheets can help prevent these issues and maintain skin health.

Hair Care: Ever woken up with unruly, tangled hair? Your bed might be the culprit. The friction between your hair and the pillowcase can lead to breakage and frizz. Clean sheets, especially those made of silk or satin, can reduce friction, leading to smoother, healthier hair.

Immunity and Allergies: For those of you with allergies or respiratory issues, maintaining clean bedding is paramount. Dust mites, common allergens, thrive in mattresses and pillows, causing symptoms like sneezing and congestion. Regular laundering can help minimise these triggers, ensuring better sleep quality and immunity.

Let's delve deeper into the microbes your sheets could be exposing you to and their potential impact on health: 


Staphylococcus is a genus of bacteria, with Staphylococcus aureus being a common species. These bacteria are typically found on human skin and mucous membranes.

Health Impact: While many strains of Staphylococcus are harmless, S. aureus can cause skin infections, particularly when it enters wounds or hair follicles. Skin conditions like boils, impetigo, and cellulitis can result from S. aureus infection. In severe cases, it can lead to more serious issues such as bloodstream infections and pneumonia. Yikes – your dreams will be anything but sweet! 


Corynebacterium is another group of bacteria commonly found on the skin's surface.

Health Impact: Corynebacterium species are generally considered commensal, meaning they coexist harmlessly with their human hosts. However, some strains can cause opportunistic infections, mainly in individuals with compromised immune systems. One well-known member, Corynebacterium diphtheriae, is responsible for diphtheria, a potentially serious upper respiratory tract infection.

Dust Mites

Imagine these guys nibbling on your nose. (Don't worry, they don't eat much!)

Dust mites are microscopic arachnids that thrive in warm, humid environments and feed on dead skin cells.

Health Impact: While dust mites themselves are not harmful, their waste particles and shed skin can trigger allergies and asthma in susceptible individuals. Symptoms can include sneezing, runny nose, itchy or watery eyes, and respiratory issues. Reducing dust mites in the bedroom is particularly important for allergy sufferers.


Fungi encompass various microorganisms, and their presence in bedding may include mould and mildew.

Health Impact: Fungal spores can lead to respiratory problems and allergies. Common fungi-related health issues include allergic rhinitis and asthma, often triggered by exposure to mould. Some types of fungi produce mycotoxins, which can have toxic effects on humans. However, the risk of serious mycotoxin exposure in the bedroom is relatively low. Nevertheless, mould can cause issues like nasal congestion, coughing, and skin irritation in some individuals.

Tips for Clean and Hygienic Sheets


Frequent Washing: Aim to wash your sheets at least once every one to two weeks. Use hot water to kill bacteria and mites effectively.

Choosing the Right Detergent: Opt for a hypoallergenic detergent to reduce the risk of skin irritation or allergic reactions. You might even want to add a splash of eucalyptus oil to fight bacteria without exposing yourself to harsh chemicals. 

Drying in the Sun: Whenever possible, let your sheets air dry in the sun. Sunlight has natural disinfectant properties that can help eliminate microbes. 

Rotate Your Linens: Having multiple sets of sheets allows you to rotate them, reducing wear and tear and extending their lifespan.

Invest in High-Quality Materials: Consider using sheets made from materials like silk, which not only reduce friction but are also naturally resistant to certain microbes.

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