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  • Title: [Prevalence of sleep and wakefulness disorders in high school students at the Academy of Lyon].
    Author: Patois E, Valatx JL, Alpérovitch A.
    Journal: Rev Epidemiol Sante Publique; 1993; 41(5):383-8. PubMed ID: 8284478.
    Abstract:
    We studied sleep and wakefulness disorders in high schools of the Lyon district. Data were collected by auto-questionnaire from a very large sample (11,923 boys and 13,870 girls) of high school students, between 15 and 20 years of age. Thirteen per cent of boys and 17% of girls complained of poor sleep, and the most frequent trouble was difficulty in falling asleep. The difference between the length of the sleep during school time and holidays was greater than 3 hours for 24% of the students. About 10% of students who reported habitual difficulties in falling asleep used drugs (at least once a week) which facilitate sleep. The use of sleeping pills by the family correlated with that by the subject: 5% of boys belonging to families using sleeping pills are themselves users compared to 1% in the whole sample. Students using hypnotic drugs frequently had daytime naps (14% versus 3%); their morning wakefulness was poorer and their afternoon wakefulness better than students who did not.
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