Canadian Lung Association Blog

Monthly Archives: December 2013

COPD and Sleep Apnea: Overlap Syndrome


COPD  (Chronic Obstructive Pulmonary Disease) and sleep apnea are common conditions affecting many Canadians.  COPD does not cause sleep apnea, nor does sleep apnea cause COPD, but the combination of the two is called Overlap Syndrome.  Unfortunately, each condition can make the symptoms of the other worse.  For example, the drops in oxygen levels that occur with sleep apnea are lower and longer when combined with COPD.  People with COPD and sleep apnea have more frequent exacerbations (flare-ups) that can lead to hospitalization. If you have sleep apnea and have smoked, take the lung health test to see if you

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Posted in COPD, Sleep Apnea