Relationship between napping pattern and nocturnal sleep among Japanese nursery school children

Komada, Yoko; Asaoka, Shoichi; Abe, Takashi; Matsuura, Noriko; Kagimura, Tatsuo; Shirakawa, Shuichiro; Inoue, Yuichi

doi:10.1016/j.sleep.2011.10.017

Cited by 40 publications

(31 citation statements)

References 6 publications

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“…32 TST per 24-hour period does not differ in toddlers who nap and who do not, but napping reduces time in bed at night and night sleep duration and increases sleep onset latency together with delayed melatonin onset (38 +/-min later) in napping toddlers than in non-napping toddlers. 83,84,85 Napping therefore changes the distribution rather than the duration of sleep.…”

Section: Napping and Schoolmentioning

confidence: 75%

“…At 3 years of age, according to parent reports and/or actigraphy recordings, 50% to 80% of children take a nap, but only 9% take a nap at 5 years of age, with nap duration decreasing with age in parallel. 30,32 There is considerable individual variation in total sleep duration and in napping among toddlers and children of the same age. Napping, and especially nap duration, seem to be predominantly influenced by the environment (shared sleeping environment, socio-economic, familial, and educational influences, and sleep hygiene), with a lesser effect from genetic factors and without gender differences.…”

Section: Toddlers and Childrenmentioning

confidence: 99%

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Napping: A public health issue. From epidemiological to laboratory studies

Faraut

Andrillon

Vecchierini

et al. 2017

Sleep Medicine Reviews

141

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Section: Napping and Schoolmentioning

confidence: 75%

Section: Toddlers and Childrenmentioning

confidence: 99%

Napping: A public health issue. From epidemiological to laboratory studies

Faraut

Andrillon

Vecchierini

et al. 2017

Sleep Medicine Reviews

141

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“…Unlike nursery schools in countries such as the US [10] and Japan [11], most nursery schools in the UK do not provide children with the opportunity to nap. English children's opportunities to nap and napping patterns may therefore differ from those of children living elsewhere.…”

Section: Introductionmentioning

confidence: 99%

Napping in English preschool children and the association with parents’ attitudes

Jones

Ball

2013

Sleep Medicine

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. (2013) 'Napping in English preschool children and the association with parents' attitudes.', Sleep medicine., 14 (4). pp. 352-358. Further information on publisher's website:http://dx.doi.org/10.1016/j. sleep.2012.12.010 Publisher's copyright statement: NOTICE: this is the author's version of a work that was accepted for publication in Sleep medicine. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reected in this document. Changes may have been made to this work since it was submitted for publication. A denitive version was subsequently published in Sleep medicine, 14, 4, 2013Sleep medicine, 14, 4, , 10.1016Sleep medicine, 14, 4, /j.sleep.2012 Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details.

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“…This is in contrast to findings reported by Akacem et al 49 Moreover, Nakagawa et al, 50 in a cross-sectional study among 50 children 1.5 years of age at a clinic in Tokyo, demonstrated that the longer the nap duration as denoted by "later nap-ending time", the later the toddlers' sleep onset and consequently the shorter the sleep duration at night. On the other hand, Komada et al 51 in a sample of 967 children aged 0-5 years found no significant differences in night sleep duration associated with napping duration in children younger than 2 years of age. One explanation might lie in a systematic review by Thorpe et al 52 that examined the effects of napping on child development; they reported that napping was associated with later sleep onset and poor sleep quality and duration, beyond age 2, i.e., after the age where children are still meeting part of their sleep need by napping.…”

Section: Discussionmentioning

confidence: 87%

Factors associated with shorter night-time sleep in toddlers: The Survey of Young Canadians

Costanian

Abdullah

Sawh

et al. 2017

Can J Public Health

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OBJECTIVES: Adequate sleep in childhood is important for healthy development. No information exists on the predictors of night-time sleep among toddlers in Canada. The aim of this study was to determine the prevalence of and to identify factors associated with sleeping <11 consecutive hours per night among children aged 1-2 years in Canada.METHODS: Data from the cross sectional Survey of Young Canadians (SYC) 2010 were used. The biological mother reported on toddlers' sleep duration at night. Based on cut-off values used in previous studies, shorter night-time sleep was defined as sleeping <11 hours per night. Multivariable logistic regression was conducted to identify the associations between socio-demographic, maternal, sleep and child-related variables with shorter sleep at night. RESULTS:Analysis of 3675 toddlers revealed that 57% slept <11 hours per night. Results of the regression analysis showed that being from an immigrant family was significantly associated with shorter night-time sleep. Being from a higher income household, having a mother aged between 25 and 34 years at the time of the survey, and napping ≥2 hours during the day were significantly related to sleeping ≥11 hours per night. Other socio-demographic, maternal and child-related variables were not associated with night-time sleep.CONCLUSION: This was the first population-based, nationally representative study to examine factors related to shorter night-time sleep in Canadian toddlers. Socio-demographic factors and nap duration were associated with night-time sleep duration. More adequate early childhood sleep hygiene awareness efforts are recommended, especially in vulnerable populations.KEY WORDS: Children; sleep duration; factors; Canada La traduction du résumé se trouve à la fin de l'article.

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Relationship between napping pattern and nocturnal sleep among Japanese nursery school children

Cited by 40 publications

References 6 publications

Napping: A public health issue. From epidemiological to laboratory studies

Napping: A public health issue. From epidemiological to laboratory studies

Napping in English preschool children and the association with parents’ attitudes

Factors associated with shorter night-time sleep in toddlers: The Survey of Young Canadians

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