Measuring and identifying large-study metrics for circadian rhythm disruption in female flight attendants

5/29/2003 Grajewski, Nguyen, Whelan, Cole, Hein Objectives: Flight attendants can experience circadian rhythm disruption due to travel through multiple time zones. The objectives of this study were to determine whether flight attendants are more likely than teachers (comparison group) to experience circadian disruption, as measured by melatonin production, and to identify metrics of circadian disruption […]