Delayed school start time is associated with better sleep, daytime functioning, and life satisfaction in residential high-school students

The effects of a delayed school start time by one hour were examined at a boarding school in Hong Kong. Two cohorts of high school students (N = 228; 61.8% female) were recruited respectively before and after a school start time changed from 7:30am to 8:30am. Both cross-cohort and within-cohort long...

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Veröffentlicht in:	Journal of adolescence (London, England.) England.), 2018-07, Vol.66 (1), p.49-54
Hauptverfasser:	Chan, Christian S., Poon, Cyanea Y.S., Leung, Jacklyn C.Y., Lau, Kristy N.T., Lau, Esther Y.Y.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adolescent Adolescents Anxiety - epidemiology Depression - epidemiology Female Hong Kong Humans Longitudinal Studies Male Personal Satisfaction Psychological distress School start time Schools Self Report Sleep Sleep - physiology Sleep Deprivation - prevention & control Sleep Initiation and Maintenance Disorders - epidemiology Sleepiness Stress, Psychological - epidemiology Students - psychology Subjective wellbeing Time Factors
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Zusammenfassung:	The effects of a delayed school start time by one hour were examined at a boarding school in Hong Kong. Two cohorts of high school students (N = 228; 61.8% female) were recruited respectively before and after a school start time changed from 7:30am to 8:30am. Both cross-cohort and within-cohort longitudinal comparisons yielded significant increase in total sleep time. Cross-cohort comparison yielded improvement in sleep quality, insomnia, life satisfaction, and psychological distress. Longitudinal data suggested that the longer the additional sleep time, the better was sleep quality, day-time functioning, and subjective wellbeing.
ISSN:	0140-1971 1095-9254
DOI:	10.1016/j.adolescence.2018.05.002