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Child Dev. 2004 Jan-Feb;75(1):84-95.

Sleepless in Chicago: tracking the effects of adolescent sleep loss during the middle school years.

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Department of Psychology, University of Massachusetts Boston, Boston, MA 02125-3393, USA.


The influence of the sleep patterns of 2,259 students, aged 11 to 14 years, on trajectories of depressive symptoms, self-esteem, and grades was longitudinally examined using latent growth cross-domain models. Consistent with previous research, sleep decreased over time. Students who obtained less sleep in sixth grade exhibited lower initial self-esteem and grades and higher initial levels of depressive symptoms. Similarly, students who obtained less sleep over time reported heightened levels of depressive symptoms and decreased self-esteem. Sex of the student played a strong role as a predictor of hours of sleep, self-esteem, and grades. This study underscores the role of sleep in predicting adolescents' psychosocial outcomes and highlights the importance of using idiographic methodologies in the study of developmental processes.

[Indexed for MEDLINE]

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