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Pregled bibliografske jedinice broj: 482589

Zbornik radova

Autori: Bakotić, Marija; Radošević-Vidaček, Biserka; Košćec, Adrijana
Naslov: Circadian preference and sleep patterns of adolescents involved in two different systems of school time
Izvornik: Abstracts of the 20th Congress of the European Sleep Research Society (ESRS) ; Journal of Sleep Research, 19, Supplement 1 / Dijk, D.-J. (ur.). - Wiley-Blackwell , 2010. 211-211.
ISSN: 0962-1105
Skup: 20th Congress of the European Sleep Research Society
Mjesto i datum: Lisbon, Portugal, 14-18.09.2010.
Ključne riječi: Adolescents ; Circadian preferences ; School time system
Sažetak:
Objectives: The first objective of our study was to explore differences in morningness-evenigness (ME) between adolescents attending school always in the morning and those who attend school one week in the morning and the other in the afternoon. The second objective was to examine the relationships between ME and characteristics of adolescents’ sleep. Methods: 183 high school students (modal age 16 years) completed the Initial Questionnaire as a part of a larger sleep study. Out of them 64 students (30 males) attended school each week in the morning, and 119 students (32 males) attended school one week in the morning and the other in the afternoon. The Questionnaire included questions on student’s sleep and a Morningness-Eveningness Scale for children (Carskadon et al, 1993). Data for sleep characteristics were analysed by means of univariate ANOVAs with school system (morning only, rotating shifts), and ME typology (Morning (M), Neutral (N) and Evening (E) types) as independent factors, and sleep characteristics as dependent measures. Results: The average ME scores did not differ between adolescents involved in different school systems. The main effect of ME was significant for the majority of sleep parameters, and no significant interaction between circadian type and school system was observed. Evening types reported the latest bedtime both on school days and weekends, and the latest wake-up time on weekends. Furthermore, compared to other circadian types, E types reported the shortest sleep on school days (E=403min ; N=428min ; M=439), and the longest sleep on weekends (E=568min ; N=544min ; M=520). The observed differences in wake up time and sleep duration between school days and weekends were the greatest for the E types. Evening types reported greater sleep need compared to morning types (E=570min ; M=520), and their sleep debt during school days (with respect to their sleep need) was greater than sleep debt of other types (E=167min ; N=109min ; M=81min). Conclusion: Adolescents involved in different school systems do not differ in their ME preferences. Eveningness preferences are consistently associated with shorter sleep and greater sleep debt on school days, and greater irregularity of sleep patterns, irrespective of differences in organisation of school time.
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Conference Proceedings Citation Index - Science (CPCI-S) (sastavni dio Web of Science Core Collectiona)
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Vrsta sudjelovanja: Poster
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 022-0222411-2659
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Psihologija
Upisao u CROSBI: mbakotic@imi.hr (mbakotic@imi.hr), 21. Ruj. 2010. u 14:39 sati



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