Artículo
Chronotype at the beginning of secondary school and school timing are both associated with chronotype development during adolescence
Fecha de publicación:
12/2022
Editorial:
Nature
Revista:
Scientific Reports
ISSN:
2045-2322
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The misalignment between late chronotypes and early school start times afect health, performance and psychological well-being of adolescents. Here we test whether, and how, the baseline chronotype (i.e. chronotype at the beginning of secondary school) and the school timing afect the magnitude and the direction of the developmental change in chronotype during adolescence. We evaluated a sample of Argentinian students (n= 259) who were randomly assigned to attend school in the morning (07:45 a.m.–12:05 p.m.), afternoon (12:40 p.m.–05:00 p.m.) or evening (05:20 p.m.–09:40 p.m.) school timings. Importantly, chronotype and sleep habits were assessed longitudinally in the same group of students along secondary school (at 13–14 y.o. and 17–18 y.o.). Our results show that: (1) although chronotypes partially align with class time, this efect is insufcient to fully account for the diferences observed in sleep-related variables between school timings; (2) both school timing and baseline chronotype are independently associated with the direction and the magnitude of change in chronotype, with greater delays related to earlier baseline chronotypes and later school timings. The practical implications of these results are challenging and should be considered in the design of future educational timing policies to improve adolescents’ well-being.
Palabras clave:
MSFsc
,
Sleep
,
Social jetlag
,
School start time
,
educational policies
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Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Rodriguez Ferrante, Guadalupe; Goldin, Andrea Paula; Sigman, Mariano; Leone, Maria Juliana; Chronotype at the beginning of secondary school and school timing are both associated with chronotype development during adolescence; Nature; Scientific Reports; 12; 1; 12-2022; 1-14
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