Influences of weekend catch-up sleep on sleep quality and academic achievements

SUN Wan-qi; JIANG Yan-rui; CHEN Wen-juan; WANG Yan; LI Feng; LI Sheng-hui; YAN Chong-huai; JIN Xing-ming; SHEN Xiao-ming; JIANG Fan

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Chinese Journal of Child Health Care ›› 2012, Vol. 20 ›› Issue (9) : 783-786.

Influences of weekend catch-up sleep on sleep quality and academic achievements

SUN Wan-qi¹,JIANG Yan-rui¹,CHEN Wen-juan¹,WANG Yan¹,LI Feng²,LI Sheng-hui²,YAN Chong-huai²,JIN Xing-ming¹,SHEN Xiao-ming²,JIANG Fan¹

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Abstract

【Objective】 To study the situation of weekend catch up sleep in fifth grade children in Shanghai,and to explore the influences of weekend catch-up sleep on sleep quality and academic achievements. 【Methods】 Totally 2 249 grade-fifth children were sampled by stratified cluster random sampling from 10 primary schools in Shanghai.Children Sleep Habits Questionnaire (CSHQ) was used to assess children's sleep duration and quality (total score≥41 was defined as poor sleep quality ); The School Achievement Questionnaire (teacher version) was applied to evaluate children's achievement.T-test and ANCOVA were adopted to compare the sleep quality and academic achievement among children with different type of sleep. 【Results】 The mean age was (10.81±0.38) years old,49.3% were boys.The mean bedtime and get up time was(37±40) minutes and (86±54)minutes later on weekends,respectively.The mean weekend catch-up sleep was(48±58) minutes,ranging from 3~5.5 hours.Children with poor sleep quality had more catch-up sleep (t=3.82,P＜0.001).The ANCOVA results,after adjusted for age,gender and parental education level,showed that children slept ≤9 hours in both weekday and weekend and children had ≥1 catch-up sleep got higher score in The School Achievement Questionnaire than children slept≥10 hours in both weekday and weekend (F=10.99,P<0.001),representing for lower academic achievement. 【Conclusion】 Weekend catch-up sleep will do harm to rather than improving children's sleep quality and academic achievement as insufficient sleep.

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school-age children / catch-up sleep / sleep duration / sleep quality / academic achievement

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SUN Wan-qi,JIANG Yan-rui,CHEN Wen-juan,WANG Yan,LI Feng,LI Sheng-hui,YAN Chong-huai,JIN Xing-ming,SHEN Xiao-ming,JIANG Fan. Influences of weekend catch-up sleep on sleep quality and academic achievements[J]. Chinese Journal of Child Health Care. 2012, 20(9): 783-786

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