The CHARLS study assessed daytime napping patterns by asking participants, 'In the past month, how long have you napped on average after lunch?' and categorized responses into 4 groups: nonnappers (0 min), short nappers (<30 min), moderate nappers (30-90 min), and extended nappers (>90 min).

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
• daytime napping concept