A
chronic disease of the airways that makes breathing difficult is called asthma.
With it, there is inflammation of the air passages that result in a temporary
narrowing of the airways that carry oxygen to the lungs. This condition
can be controlled with medicines and by staying away from things that that may
trigger it.
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Some
people with asthma are not aware that even if their asthma is controlled during
the day, it could still strike at night at any hour during sleep. This type of
asthma is called nocturnal asthma or sleep related asthma. It can make sleep
impossible and leaves you irritable during the day.
Symptoms
include shortness of breath, chest tightness, cough and wheezing. Some possible
reasons for this include temperature changes in the body, cooling of the
airways; low adrenal gland hormones or gastroesophageal reflux disease.
These are all biological changes that occur at night. It may also be because of
medicines taken during the day that wear off, being in a reclining position;
postnasal drip while sleeping, or other sleep conditions that may trigger
symptoms... Read more from Facts About Nocturnal Asthma