The effects of sleep duration on child health and development

Ha Nguyen, Stephen Zubrick and Francis Mitrou

MPRA Paper from University Library of Munich, Germany

Abstract: Children and adolescents spend more than one-third of their time sleeping. Yet, we know little about the causal impact of sleeping on their development. This paper is the first to exploit variation in local daily daylight duration measured on pre-determined diary dates across the same individuals through time as an instrument in an individual fixed effects regression model to draw causal estimates of sleep duration on a comprehensive set of child development indicators. Applying this model to about 50 thousand time use diaries from two cohorts of Australian children spanning over 16 years, we first document that children sleep substantially less on days with longer daylight duration. Our results show that sleeping longer improves selected general developmental, behavioural and health outcomes in children and adolescents. By contrast, sleeping more statistically significantly increases the BMI scores, mainly by increasing the risk of being overweight. Moreover, while the impact of sleep duration on general and behavioural outcomes is more pronounced for females or older individuals, the effect on BMI is largely driven by males. The results indicate a null or relatively small positive impact of sleeping longer on cognitive skills.

Keywords: Sleep; Time Allocation; Circadian Rhythms; Human Capital; Child Development (search for similar items in EconPapers)
JEL-codes: I00 I12 J22 J24 (search for similar items in EconPapers)
Date: 2024, Revised 2024
New Economics Papers: this item is included in nep-hea and nep-neu
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Published in Journal of Economic Behavior & Organization 221.May(2024): pp. 35-51

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Related works:
Journal Article: The effects of sleep duration on child health and development (2024)
Working Paper: The effects of sleep duration on child health and development (2022)
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:120562

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