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Chronotype, Race, and Gender
Sleep Timing Patterns Vary by Race and Gender
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Abstract
A sample of 7,562 participants indicates that the mean chronotype of Black participants is about 20 minutes later than that of White participants.
- Mean chronotype differs significantly between male and female participants.
- Chronotype assessments were made using objective rest-activity measures.
- Previous studies using questionnaires have shown inconsistent results regarding race and gender associations with chronotype.
- The findings support earlier research that identified racial differences in chronotype.
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