A new collaboration between pulmonary and infectious disease specialists finds that many of the cases of fatigue and difficulty sleeping that are common in persons with HIV infection could be caused by obstructive sleep apnea, reports MD Magazine.

“First I think that this problem has gone overlooked because for many years HIV docs were focused on getting people on effective therapy to keep them alive, rather than focusing on a quality of life issue like fatigue,” Owens said. “Second, it is hard sometimes to collaborate outside your area of expertise.”