The CHARLS study gathered self-reported sleep duration data through face-to-face interviews using an open-ended question: 'In the past month, how many hours of sleep have you had on average per night?'

Authors

• Person: Not available Organization: JMIR Human Factors
  Associations Between Sleep Duration and Cognitive Function ...

Sources

• Associations Between Sleep Duration and Cognitive Function ... humanfactors.jmir.org JMIR Human Factors via serper

Referenced by nodes (2)

• China Health and Retirement Longitudinal Study concept
• self-reported sleep duration concept