Individuals who have chronic obstructive pulmonary disease (COPD) tend to sleep poorer than individuals without it. That’s the result of a new study conducted in Ireland.
COPD is a condition of the lungs in which the airways become narrowed. It’s linked to chronic bronchitis and emphysema. The study, published in Respirology, included 106 COPD patients who were all former or current heavy smokers. All patients underwent polysomnography and the results were compared with previously published findings from two groups of controls, totaling 217 people, who were of a similar age and did not have COPD. The authors found that, compared with controls, patients with COPD experienced poorer sleep. Furthermore, the efficiency of patients’ sleep was independently related to daytime arterial oxygen pressures, a finding that could lead to new therapeutic interventions.
Interestingly, nighttime oxygen saturation was not associated with sleep efficiency, which the authors say could be because poor sleep quality reduced sleep-induced hypoventilation among patients.
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