Sleep length, daily sleep patterns, and social jetlag in Japanese office workers compared by age and gender using wearable device data (2019-2022)

Objective sleep measurements from a validated wearable device were used to analyze sleep-wake patterns over 3 years.

• Total sleep time (TST) and social jetlag were assessed using data from a wearable device.
• Patterns of sleep were compared across different genders and age groups.
• Variations in sleep patterns were observed between weekdays and weekends.
• Findings could provide insights into the relationship between sleep and health outcomes.

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