Keiko Meguro

Sleep duration, sleep-wake schedules, and social jetlag among corporate employees in Japan: Age- and gender-based comparisons of wearable device data (2019–2022)

Objectives Insufficient sleep has been linked to cardiovascular events and mortality, yet most prior studies rely on self-reported sleep duration. Large-scale longitudinal studies based on objective sleep measurements remain scarce. This study aimed to describe 3-year sleep-wake patterns, including total sleep time (TS...