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Jornal Brasileiro de Psiquiatria

versão impressa ISSN 0047-2085

Resumo

PEREIRA, Érico Felden et al. Sleep and adolescence: how many hours sleep teenagers need?. J. bras. psiquiatr. [online]. 2015, vol.64, n.1, pp.40-44. ISSN 0047-2085.  http://dx.doi.org/10.1590/0047-2085000000055.

Objective

Determine specificity and sensibility, to point the best cut off for the sleep duration as predictor of excessive daytime somnolence in adolescents.

Methods

One thousand three hundred fifty-nine adolescents aged 14 to 21 years of two cities from South Brazil answered a questionnaire about sleep habits and daytime somnolence. To estimate the predictive capacity of sleep duration for the excessive daytime somnolence was used the Receiver Operating Characteristic.

Results

The sleep duration mean for adolescents with excessive daytime somnolence was 7.9 hours and for those without excessive daytime somnolence was 8.33 hours (p < 0,001). The prevalence of excessive daytime somnolence was 35.7%. Significant and negative correlation between the sleep duration and the ages analyzed was observed (p < 0,001). The Receiver Operating Characteristic analysis indicated a minimum duration of 8.33 hours as protection for excessive daytime somnolence.

Conclusion

High prevalence of excessive daytime somnolence was observed and is proposed as a possible sleep duration a minimum of 8.33 hours of sleep in the days with classes for adolescents to avoid this outcome.

Palavras-chave : Sleep; disorders of excessive somnolence; adolescents.

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