An editorial published in the July 2026 issue of Chest takes a closer look at what CPAP therapy can offer patients carrying the dual burden of insomnia and obstructive sleep apnea. Writing under the title “More Than Just Improved Sleep: Impact of CPAP on Patients With Comorbidity Between Insomnia and OSA,” the editorial argues that the standard view of CPAP may be too narrow for this population.
The editorial addresses COMISA, or comorbid insomnia and obstructive sleep apnea. The condition affects an estimated 30 to 50 percent of OSA patients. It is also notoriously difficult to manage. Each disorder can amplify the other. Insomnia symptoms make CPAP initiation harder, and CPAP adherence is typically lower in COMISA patients than in those with OSA alone. This creates a clinical challenge that simple sleep improvement metrics may miss.
The editorial suggests that CPAP’s role in COMISA may extend beyond the obvious respiratory benefits. The editorial appears to weigh emerging evidence that CPAP can influence broader outcomes in this comorbid group, possibly by addressing shared mechanisms or by easing the insomnia loop that often sabotages treatment adherence. The editorial calls attention to the need for treatment approaches that account for both conditions simultaneously rather than treating insomnia and OSA as separate problems.
The piece is significant because COMISA sits at a difficult intersection. Standard OSA treatment pathways often fail to accommodate the insomnia component, while insomnia therapies may overlook underlying airway instability. If CPAP can deliver benefits that reach beyond sleep architecture, it may become a more central tool in the COMISA management toolkit.
The editorial appears in Chest, Volume 170, Issue 1, pages 25-26 (July 2026). DOI: 10.1016/j.chest.2026.04.018. PMID: 42419846.