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Sleep quantity, quality and optimism in children

Lemola, Sakari and Räikkönen, Katri and Scheier, Michael F. and Matthews, Karen A. and Pesonen, Anu-Katriina and Heinonen, Kati and Lahti, Jari and Komsi, Niina and Paavonen, Juulia E. and Kajantie, Eero. (2011) Sleep quantity, quality and optimism in children. Journal of sleep research : JSR, Vol. 20, H. 1, Pt 1. pp. 12-20.

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Official URL: http://edoc.unibas.ch/dok/A5848391

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Abstract

We tested the relationship of objectively measured sleep quantity and quality with positive characteristics of the child. Sleep duration, sleep latency and sleep efficiency were measured by an actigraph for an average of seven (range = 3-14) consecutive nights in 291 8-year-old children (standard deviation = 0.3 years). Children's optimism, self-esteem and social competence were rated by parents and/or teachers. Sleep duration showed a non-linear, reverse J-shaped relationship with optimism (P = 0.02), such that children with sleep duration in the middle of the distribution scored higher in optimism compared with children who slept relatively little. Shorter sleep latency was related to higher optimism (P = 0.01). The associations remained when adjusting for child's age, sex, body mass index, and parental level of education and optimism. In conclusion, sufficient sleep quantity and good sleep quality are related to children's positive characteristics. Our findings may inform why sleep quantity and quality and positive characteristics are associated with wellbeing in children.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Persönlichkeits- und Entwicklungspsychologie (Lemola)
07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Persönlichkeits- und Entwicklungspsychologie > Entwicklungs- und Persönlichkeitspsychologie (Grob)
UniBasel Contributors:Lemola, Sakari
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Blackwell
ISSN:0962-1105
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:24 May 2013 08:59
Deposited On:14 Sep 2012 07:03

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