COPD patients with poor baseline sleep metrics are at an increased risk of exacerbations of COPD, according to data published in Chest.

To evaluate the relationship between sleep quality and COPD exacerbation risk, the team observed data from 480 participants in the CanCOLD study who had completed an 18-month follow-up assessment period.

Of the 480 patients, 185 (38.5%) had at least 1 exacerbation during the 18-month follow-up, and 203 (42.3%) were found to have baseline PSQI scores greater than 5—denoting poor sleep quality.