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What Are the Causes of Bedtime Allergy Attacks?

By Penny Eims ; Updated July 27, 2017

Allergies often strike seasonally, plaguing you with irritating symptoms such as coughing and sneezing. You can even be prone to allergies during the night, within the sanctuary of your own home.


Allergies are caused by an over-reaction of your own immune system to certain allergens, such as dust, mold, pollen and pet dander. The resulting irritation can cause sneezing, watery eyes, coughing and even lung inflammation, which is commonly referred to as asthma.

Dust mites

You may have an allergy attack during the night if you are allergic to dust mites. Bedding (mattresses/linens) presents an ideal environment for dust mites to flourish. Areas where dust has accumulated, such as under bedroom furniture or in bedroom carpeting, can add to your nighttime allergic response.


According to the Mayo Clinic, airborne mold spore concentrations are highest at night. If you have an allergic response to mold spores, you should keep your windows closed at night.


During times when pollen counts are high, airborne pollens can blow into your bedroom, causing nighttime allergy attacks. It is important to close your bedroom windows in order to keep allergens from entering your sleeping area.


You can reduce nighttime allergy attacks by sleeping with the windows closed, washing bedding weekly, using a dehumidifier, utilizing dust-proof covers for your pillows and mattress, removing carpeting in your bedroom, and vacuuming and dusting frequently. If you have pets, it is advisable to keep them out of your bedroom in order to help reduce pet dander.

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