Journal of the American Academy of Child & Adolescent Psychiatry
ARTICLESSleep and Psychiatric Symptoms in School-Age Children
Section snippets
Subjects
Forty-nine medically healthy volunteers aged 7 to 12 years attending normal classes were recruited for the study by advertising in 2 schools in the Helsinki area and in the hospital newsletter. Written informed consent was obtained from the parents and a verbal assent from the child. In the recruitment process the study was described as a study investigating daytime and nighttime activity levels and how activity levels are related to children's behavior and emotions at school and at home in
Sleep and Symptom Parameters
The descriptive statistics for the sleep and symptom parameters are presented in Table 1. No significant differences between boys and girls were found for any of these parameters (t test, all t values < 1.2, p values > .2, df = 46). Correlations between the CBCL and the TRF total scores and broad-band symptom sum scores were low (Pearson correlation coefficients < 0.185). Age and symptom scores (total, broad-band, and narrow-band) of the parent/teacher reports were not significantly correlated
DISCUSSION
In a nonclinical sample of 7- to 12-year-old children, the objectively measured true sleep time was associated with teacher-reported psychiatric symptoms. The decreased amount of sleep was associated more with externalizing than internalizing types of symptoms. A significant difference in the number of teacher-reported symptoms was found between the 3 groups of children having different true sleep times. Children who slept on average 9.6 hours per night (group A) had fewer symptoms according to
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2022, Sleep Medicine ReviewsCitation Excerpt :From 16 studies providing externalizing behavior as outcome category, twelve correlations could be pooled [38,39,44,51,52,54,67,71,73,83,91] yielding an estimate of −0.13 (95% CI -0.16, −0.10; I2 = 31.7%) (Fig. 2). Four studies could not be included in the meta-analysis; qualitative analysis showed that three studies [27,28,80] observed statistically significant associations between shorter sleep duration and higher levels of externalizing behavior, whereas one study did not show any association [55]. The pooled estimate from 5 studies [26,31,43,74,87] reporting correlations between sleep duration and anger was −0.29 (95% CI -0.49,-0.08; I2 = 91.8%) (Fig. 2).
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This study was supported by grants from the Finnish Cultural Foundation, Signe and Ane Gyllenberg Foundation, Yrjö Jahnsson Foundation, Ella and Georg Ehrnrooth Foundation, and Helsinki University Central Hospital.