
IQCE Policy Brief No. 4 by Nirosha VargheseTiming and scarring effects of early childhood sleep: do they matter for later human capital formation?
15 February 2020
IQCE Policy Brief No. 4, February 2020: "Timing and scarring effects of early childhood sleep: do they matter for later human capital formation?" by Nirosha Varghese
Key Findings
• Childhood sleep problems are associated withlower scores on all cognitive outcomes including IQ in later ages.
• A cumulative model gives the best fit indicating a dose-response relationship.Longer the exposure; larger the effect.
• Past sleep problems scar.
• Non-cognitive outcomes including behavioral difficulties could mediate the relationship between sleep and cognition.