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Why is asthma worse during sleep?

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You’re most likely to have your asthma symptoms during sleep. That’s called nocturnal asthma. We don’t know exactly why asthma gets worse at night. Reasons may include more exposure to allergens, hormone changes, and lying down. Sleep itself may change the way you breathe.

SOURCES:  

Smolley, L. New York, Dell, 1998.  Breathe Right Now,

Bruce, D. New York, Ballantine, 2007.  The Sinus Cure,

American Lung Association: “Systemic Bronchodilator Medications.” 

 Asthma and Allergy Foundation of American: “Asthma Medications.”  

Cleveland Clinic: “Asthma: An Overview.” 

American Academy of Allergy Asthma & Immunology: “Rapid Effects of Inhaled Corticosteroids on Nocturnal Asthma.”

Reviewed by Jennifer Robinson on May 15, 2018

SOURCES:  

Smolley, L. New York, Dell, 1998.  Breathe Right Now,

Bruce, D. New York, Ballantine, 2007.  The Sinus Cure,

American Lung Association: “Systemic Bronchodilator Medications.” 

 Asthma and Allergy Foundation of American: “Asthma Medications.”  

Cleveland Clinic: “Asthma: An Overview.” 

American Academy of Allergy Asthma & Immunology: “Rapid Effects of Inhaled Corticosteroids on Nocturnal Asthma.”

Reviewed by Jennifer Robinson on May 15, 2018

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