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Keller, P. ., Kouros, C. ., Erath, S. ., Dahl, R. ., & El-Sheikh, M. . Longitudinal relations between maternal depressive symptoms and child sleep problems: the role of parasympathetic nervous system reactivity. Journal of Child Psychology and Psychiatry, and Allied Disciplines, 55(2), 172-9. https://doi.org/10.1111/jcpp.12151 (Original work published 2014)

Kouros, C. ., Keller, P. ., Martín-Piñón, O. ., & El-Sheikh, M. . (2022). Bidirectional associations between nightly sleep and daily happiness and negative mood in adolescents. Child Development, 93(5), e547-e562. https://doi.org/10.1111/cdev.13798