Annals of Epidemiology
Hip monitor downtime matched diary-based sleep midpoints
Estimates of time in bed were 41.1 minutes longer on weekdays and 41.3 minutes longer on weekends than sleep diaries indicated.Estimates of time in bed were 41.1 minutes longer on weekdays and 41.3 minutes longer on weekends than sleep diaries indicated.
Cross-sectional · 17,855 peopleBiomarkers
Who was studied17,855 Cancer Prevention Study-3 participants, a week
What changedMonitor-based sleep midpoints matched diaries: 1.3 minutes earlier on weekdays and 1.6 minutes later on weekends
The catchSleep diaries were the reference, rather than directly measured sleep