Potentially Harmful Sleep Habits of 3-Year-Old Children in Japan

Kohyama, Jun; Shiiki, Toshihide; Ohinata-Sugimoto, Junko; Hasegawa, Takeshi

doi:10.1097/00004703-200204000-00001

Cited by 43 publications

(46 citation statements)

References 8 publications

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“…Chronic insufficient sleep and sleep loss are common problems in modern industrial societies because annual work hours have become extended and a larger number of people are engaged in shift-work compared with the past (Aldrich 2003). Consistent with these trends in adults, bedtime has become progressively delayed, and sleep duration shortened among adolescents and children in industrial countries (Kohyama et al 2002;Gangwisch et al 2010;Asaoka et al 2010). Studies conducted in a suburban area of Tokyo showed that the proportion of 3-year-old children going to bed at 10 PM or later increased from 22% in 1980 to 50% in 2000 (Okawa and Uchiyama 1998;Kohyama et al 2002).…”

mentioning

confidence: 91%

Short Sleep Duration and Irregular Bedtime Are Associated with Increased Behavioral Problems among Japanese Preschool-Age Children

Komada

Abe

Okajima

et al. 2011

Tohoku J. Exp. Med.

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Sleep problems are known to be risk factors for subsequent emotional and behavioral difficulties in childhood and adolescence. To date, there has been no study investigating the relationships between sleep habits and behavioral problems in a large nonclinical sample of preschool age children. The aim of this study was to examine these relationships and factors associated with the sleep habits of preschool age (2 to 5 year old) children. Their mothers (n = 1,746) completed a multiple-choice questionnaire about the sleep habits and behavior problems of their children, as well as their own sleep habits and working hours at Tokyo metropolitan public nursery schools. The short sleep duration group showed significantly higher aggressive scores than the long sleep duration group among 2-to 3-year-old children, and the irregular bedtime group showed significantly higher aggressive and attention problem scores than the regular bedtime group among 4-to 5-year-old children. Univariate and multivariate logistic regression analyses revealed that children's late bedtime was associated with their mother's late waking-up time, and late schedule of both the mother's leaving and returning home. This study recognized an association between behavioral problems and poor sleep habits among preschool-age children. It is important for children to sleep regularly and adequately in order to decrease their behavior problems. In conclusion, appropriate management of children's sleep by their mothers is necessary for promoting sleep-related health of children.

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mentioning

confidence: 91%

Short Sleep Duration and Irregular Bedtime Are Associated with Increased Behavioral Problems among Japanese Preschool-Age Children

Komada

Abe

Okajima

et al. 2011

Tohoku J. Exp. Med.

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“…The nocturnal sleep onset of children has become progressively later in Japan (Kohyama et al 2002). It is considered possible that both late bedtime and shortened sleep duration might have deleterious effects on the development of children.…”

mentioning

confidence: 99%

Irregular Sleep Habits of Parents Are Associated with Increased Sleep Problems and Daytime Sleepiness of Children

Komada

Adachi²,

Matsuura³

et al. 2009

Tohoku J. Exp. Med.

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“…32 Sleep duration at night is determined by the period between bedtime and waking up during which children remain in the bed. 11,21 In the present study, the mean sleep duration at night was 8.3±1.9 hours at all ages (3-12 hrs).…”

Section: Discussionmentioning

confidence: 99%

Sleep Habits and Factors Associated with Sleep Problems Among Children in Southeastern Turkey

Araz¹,

Yılmaz²,

Gökçay³

2013

Turkiye Klinikleri J Med Sci

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A AB BS ST TR RA AC CT T O Ob bj je ec ct ti iv ve e: : Sleep has an important role in child development and is necessary for supporting optimal health for lifetime. This study examined the sleep habits of children in southeastern Turkey and certain risk factors that contribute to sleep problems. M Ma at te er ri ia al l a an nd d M Me et th ho od ds s: : The study included 300 parents who visited the paediatric outpatient department of Gaziantep University Hospital and agreed to complete the questionnaire. The questionnaire was based on the significant variables found in a review of the previous literature on childhood sleep, and was examined tested in a pilot study. Statistical significance was determined as p<0.05. R Re es su ul lt ts s: : The ages of the children (171 males, 129 females) included in the study ranged from 1 month to 12 years (median age 2.0 years). Fifty-three percent (128) of the children experienced night waking, 38.0% (114) had difficulty falling asleep and 39.3% (118) demonstrated bedtime resistance. Difficulty in falling asleep and bedtime resistance were more common among children whose parents did something to soothe them when they woke up crying, and whose bedtime varied each night (p<0.05). Night waking was affected by factors such as soothing the child when waking up crying, irregular bedtime and sleeping during the daytime (p<0.05). Parents were more likely to soothe the children who slept in the same room (p<0.001). The mean night sleep duration was longer among children whose parents did preparations before sleeping (p=0.010). C Co on nc cl lu us si io on n: : Sleep problems are very common in childhood. Certain factors such as irregular bedtime routines, varying bedtimes, and soothing activities are important factors in the development of sleep problems. Therefore, sleep problems and sleep quality should be assessed in routine visits to the paediatrician. K Ke ey y W Wo or rd ds s: : Sleep; child; Turkey; parasomnias Ö ÖZ ZE ET T A Am ma aç ç: : Çocuk gelişiminde önemli bir role sahip olan uyku, yaşam boyunca sağlıklı olmak açısın-dan gereklidir. Bu çalışmada, Güneydoğu Anadolu bölgesindeki çocukların uyku alışkanlıkları ve uyku problemlerinin gelişimine katkıda bulunan bazı risk faktörlerinin belirlenmesi amaçlandı. G Ge er re eç ç v ve e Y Yö ön n--t te em ml le er r: : Çalışmaya Gaziantep Üniversitesi Tıp Fakültesi Çocuk Sağlığı ve Hastalıkları Anabilim Dalı polikliniklerine başvuran ve anket formunu doldurmayı kabul eden 300 aile dâhil edildi. Anket formu, çocukluk çağı uykusu hakkında daha önce yayımlanan literatürlerdeki önemli değişkenler incelenerek hazırlandı ve bir pilot çalışma ile soruların anlaşılabilirliği incelendi. Çalışmada p<0.05 değeri istatistiksel olarak anlamlı kabul edildi. B Bu ul lg gu ul la ar r: : Çalışmaya alınan çocukların (171 erkek, 129 kız) yaşları 1 ay-12 yaş arasında değişmekteydi (ortanca yaş 2,0 yıl). Çocukların %53'ünde (128) gece uyanmaları, %38'inde (114) uykuya dalma zorluğu ve %39,3'ünde (118) yatağa gitmeye direnme söz konusuydu. Uykuya ...

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Potentially Harmful Sleep Habits of 3-Year-Old Children in Japan

Cited by 43 publications

References 8 publications

Short Sleep Duration and Irregular Bedtime Are Associated with Increased Behavioral Problems among Japanese Preschool-Age Children

Short Sleep Duration and Irregular Bedtime Are Associated with Increased Behavioral Problems among Japanese Preschool-Age Children

Irregular Sleep Habits of Parents Are Associated with Increased Sleep Problems and Daytime Sleepiness of Children

Sleep Habits and Factors Associated with Sleep Problems Among Children in Southeastern Turkey

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