Objective Sleep Duration and All-Cause Mortality Among People With Obstructive Sleep Apnea.

Importance: The association between sleep duration and all-cause mortality remains unclear among people with obstructive sleep apnea (OSA).

Objective: To explore whether there is an association between sleep duration and all-cause mortality among people with OSA.

Design, Setting, And Participants: This cohort study investigated participants with OSA from the Sleep Heart Health Study (SHHS) in which participants were enrolled between 1995 and 1998 with questionnaires and polysomnography (PSG) assessment and followed up for a median of 11.