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Why Are My Allergies Worse at Night?

Breathe easy at night.

Install an iWave air purifier. 


Do you suffer from allergies mostly only at night, or have frequent asthma attacks at night? You may be dealing with poor indoor air quality (IAQ). 

Certain indoor air pollutants like dust mites, pet dander, and mold are often more concentrated in your bedroom air, especially if you have wall-to-wall carpeting, sleep with your pets in the bed, or have an ensuite bathroom. This can cause you to breathe in higher levels of indoor air pollutants at night, making your allergy or asthma symptoms much worse in the evenings than they are during the day.  

How to Stop Nighttime Allergies 

If you have difficulty breathing at night because of allergies or have other symptoms like a runny nose, sore throat, and headaches, try these indoor allergy remedies. 

Change Your Sheets Frequently 

Dust mites and pet dander travel through the air and can collect on any surface in your bedroom, including your bed. Once they’ve settled into your sheets and pillowcases, you’ll be breathing them in while you read or watch TV in bed at night, and while you sleep. By changing your bedding frequently, you can keep allergen levels low.

Vacuum Everywhere—Including Under the Bed 

Carpeting is the perfect place for indoor allergens to collect. If you have wall-to-wall carpeting in your bedroom, regular vacuuming will help keep allergen levels low. Just make sure you’re hitting every surface, including easy-to-miss spots like underneath your bed and other furniture.   

Keep the Windows Closed 

Is your hay fever worse in the evening? It could be because you’re leaving your windows open at night. While it can be tempting to let in some cool, fresh air while you sleep, doing so welcomes outdoor allergens like pollen into your home. By keeping your bedroom windows closed, you can minimize the number of allergens that make their way inside. 

Install an Air Purifier for Allergies 

Installing an advanced air purification system like the iWave-C or iWave-R is one of the best ways to improve your indoor air quality and can help prevent nighttime allergies. iWave air purifiers are installed directly inside your air conditioning system and actively purify your indoor air as it passes through. The ionization process these systems use not only reduces allergens but also kills mold, bacteria, and viruses, and removes odors, helping to keep your home clean and your family healthy. 

Want to Improve Your Home’s Indoor Air Quality? 

Kearney HVAC is here to help improve your home’s indoor air quality. We offer a range of indoor air quality solutions, including iWave air purifiers, and can help you decide which option is the right fit for your needs. Give us a call today to talk to an IAQ expert about your home’s air quality. We proudly serve homeowners throughout the North Shore of Massachusetts and New Hampshire’s Seacoast region.  

Prevent indoor allergies with help from the pros at Kearney HVAC. Call 978-388-0845or contact us online to learn more about our IAQ solutions.