2003
DOI: 10.1093/sleep/26.4.449
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The Transition of Sleep-Wake Patterns in Early Adolescence

Abstract: Our findings support the hypothesis that school grade level is significantly associated with the transition to evening type in early adolescence. We report that environmental factors may play a more important role than biologic factors, such as age, sex, and pubertal development, in the transition from morning type to evening type at early adolescence. Future longitudinal study is necessary to determine the trajectories of sleep-wake patterns in adolescents and their predictors.

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Cited by 159 publications
(116 citation statements)
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“…The average amount of weekend oversleep across ages 13-19 was found to be 1 h 50 min (Wolfson and Carskadon, 1998). About 2-h increases in weekend sleep duration were found also in other studies (Giannotti et al, 2002;Gau and Soong, 2003). The delay of sleep onset, extended sleep time and poorer sleep quality on Fridays compared to weekdays has also been reported (Sadeh et al, 2009).…”
Section: Adolescent Sleep Behaviorsupporting
confidence: 56%
“…The average amount of weekend oversleep across ages 13-19 was found to be 1 h 50 min (Wolfson and Carskadon, 1998). About 2-h increases in weekend sleep duration were found also in other studies (Giannotti et al, 2002;Gau and Soong, 2003). The delay of sleep onset, extended sleep time and poorer sleep quality on Fridays compared to weekdays has also been reported (Sadeh et al, 2009).…”
Section: Adolescent Sleep Behaviorsupporting
confidence: 56%
“…Increasing academic and social demands are thought to be implicated in the extension of waking activity into the evening and subsequent delay and shortening of the sleep period. 8,64,65 Increased use of electronic media seems to have a similar effect. 66,67 The decrease in parentally set bedtimes has a noteworthy effect, with significantly later bedtime and shorter sleep duration in those without parent-set bedtimes.…”
Section: Environmental Factorsmentioning
confidence: 92%
“…Sleep-wake cycle changes across development Accompanying the sleep-wake cycle changes in adolescence is a shift of chronotype toward eveningness, [8][9][10] ie, a greater preference for activities to be undertaken later in the day and for later bed and rise times. This shift toward eveningness is estimated to begin at 13 years of age, with a peak at 17-20 years for females and 20-21 years for males.…”
mentioning
confidence: 99%
“…Esta condición está ligada a varios trastornos del sueño, enfermedades médicas o psiquiátricas, y su impacto genera alteraciones de calidad de vida relacionada con la salud (Marín y Vinaccia 2004). En los niños el síndrome de sueño insuficiente o somnolencia debida a problemas comportamentales es el trastorno de sueño más prevalente asociado a somnolencia excesiva diurna (Gau y Soong, 2003). Se desconoce en la población colombiana la prevalencia de somnolencia excesiva en niños y adolescentes.…”
Section: Introductionunclassified