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      TEMPO DE TELA, PERCEPÇÃO DA QUALIDADE DE SONO E EPISÓDIOS DE PARASSONIA EM ADOLESCENTES Translated title: TIEMPO DE PANTALLA, PERCEPCIÓN DE LA CALIDAD DEL SUEÑO Y EPISODIOS DE PARASOMNIA EN ADOLESCENTES Translated title: SCREEN TIME, PERCEPTION OF SLEEP QUALITY AND EPISODES OF PARASOMNIA IN ADOLESCENTS

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          Abstract

          RESUMO Introdução: O sono é um importante componente no processo de desenvolvimento biológico e mental das crianças e dos adolescentes, considerado fonte de revitalização das funções orgânicas. Objetivo: Analisar a associação entre o tipo e tempo de exposição à tela, a percepção da qualidade de sono e os episódios de parassonia em adolescentes. Métodos: Estudo transversal que incorpora um levantamento epidemiológico de base escolar com amostra representativa (n = 481) de estudantes (14 a 19 anos) do ensino médio da rede pública estadual do município de Caruaru, PE. Para a análise do sono e do estilo de vida, foi utilizada a versão traduzida e adaptada do Global School-Based Student Health Survey (GSHS). Recorreu-se à regressão logística binária para análise da associação entre as variáveis, considerando-se como desfecho a percepção negativa da qualidade de sono. Resultados: A prevalência de percepção negativa da qualidade de sono foi de 58% (IC 95% 53,5-62,3). Entre os comportamentos analisados, verificou-se que dormir oito horas ou menos por dia e assistir mais de duas horas de TV por dia aumentam, respectivamente, 2,69 (IC 95% 1,61-4,71) e 1,71 (IC 95% 1,08-2,73) as chances de relatar percepção negativa de sono. O tempo excessivo de tela, sobretudo diante da TV, esteve associado à maior quantidade de episódios de parassonia. Conclusão: A qualidade do sono está relacionada tanto com a quantidade de horas de sono, quanto com o tempo de exposição à TV. Além disso, uma quantidade maior de episódios de parassonia ocorreu entre os adolescentes que assistem mais de três horas de TV por dia.

          Translated abstract

          RESUMEN Introducción: El sueño es un componente importante en el proceso de desarrollo biológico y mental de los niños y adolescentes y se considera una fuente de revitalización de las funciones orgánicas. Objetivo: Analizar la asociación entre el tipo y tiempo de exposición a la pantalla, la percepción de la calidad del sueño y los episodios de parasomnia en adolescentes. Métodos: Estudio transversal que incorpora una pesquisa epidemiológica de base escolar con muestra representativa (n = 481) de estudiantes (14 a 19 años) de la enseñanza media de la red pública estatal del municipio de Caruaru, PE. Para el análisis del sueño y del estilo de vida, se utilizó la versión traducida y adaptada del Global School-based Student Health Survey (GSHS). Se recurrió a la regresión logística binaria para analizar la asociación entre las variables, considerando como resultado la percepción negativa de la calidad del sueño. Resultados: La prevalencia de la percepción negativa de la calidad del sueño fue del 58% (IC 95%, 53,5-62,3). Entre los comportamientos analizados, se encontró que dormir ocho horas o menos al día y ver más de dos horas de TV al día aumentan, respectivamente, 2,69 (IC 95%, 1,61-4,71) y 1,71 (IC 95%, 1,08-2,73) las posibilidades de relatar la percepción negativa del sueño. El tiempo excesivo de pantalla, sobre todo ante la TV, se asoció con un mayor número de episodios de parasomnia. Conclusión: La calidad del sueño está relacionada tanto con la cantidad de horas de sueño, como con el tiempo de exposición a la TV. Además, una cantidad mayor de episodios de parasomnia ocurrió entre los adolescentes que asisten más de tres horas de televisión al día.

          Translated abstract

          ABSTRACT Introduction: Sleep is an important component in the process of biological and mental development of children and adolescents, considered a source of revitalization of organic functions. Objective: To analyze the association between the screen type and time of exposure to the screen, the perception of sleep quality, and episodes of parasomnia in adolescents. Methods: A cross-sectional study that incorporates a school-based epidemiological survey with a representative sample (n=481) of high school students (14-19 years old) in the public education network of the city of Caruaru, PE. For the analysis of sleep and lifestyle, the translated and adapted version of the Global School-Based Student Health Survey (GSHS) was used. The binary logistic regression was used to analyze the association between the variables, considering the negative perception of sleep quality as an outcome. Results: The prevalence of negative perception of sleep quality was 58% (95% CI 53.5-62.3). Among the behaviors analyzed, it was found that sleeping eight hours or less per day and watching television more than two hours per day increased, respectively, 2.69 (95% CI 1.61-4.71) and 1.71 (95% CI 1.08-2.73) the chances of reporting negative perception of sleep. Excessive screen time, especially in front of TV, was associated with a greater number of episodes of parasomnia. Conclusion: Sleep quality is related both to the number of hours of sleep and to the time of exposure to TV. In addition, a greater number of episodes of parasomnia occurred among adolescents who watched more than three hours of TV per day.

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          The influence of sleep quality, sleep duration and sleepiness on school performance in children and adolescents: A meta-analytic review.

          Insufficient sleep, poor sleep quality and sleepiness are common problems in children and adolescents being related to learning, memory and school performance. The associations between sleep quality (k=16 studies, N=13,631), sleep duration (k=17 studies, N=15,199), sleepiness (k=17, N=19,530) and school performance were examined in three separate meta-analyses including influential factors (e.g., gender, age, parameter assessment) as moderators. All three sleep variables were significantly but modestly related to school performance. Sleepiness showed the strongest relation to school performance (r=-0.133), followed by sleep quality (r=0.096) and sleep duration (r=0.069). Effect sizes were larger for studies including younger participants which can be explained by dramatic prefrontal cortex changes during (early) adolescence. Concerning the relationship between sleep duration and school performance age effects were even larger in studies that included more boys than in studies that included more girls, demonstrating the importance of differential pubertal development of boys and girls. Longitudinal and experimental studies are recommended in order to gain more insight into the different relationships and to develop programs that can improve school performance by changing individuals' sleep patterns. Copyright 2009 Elsevier Ltd. All rights reserved.
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            Electronic media use and sleep in school-aged children and adolescents: A review.

            Electronic media have often been considered to have a negative impact on the sleep of children and adolescents, but there are no comprehensive reviews of research in this area. The present study identified 36 papers that have investigated the relationship between sleep and electronic media in school-aged children and adolescents, including television viewing, use of computers, electronic gaming, and/or the internet, mobile telephones, and music. Many variables have been investigated across these studies, although delayed bedtime and shorter total sleep time have been found to be most consistently related to media use. A model of the mechanisms by which media use may affect sleep is presented and discussed as a vehicle for future research. Copyright 2010 Elsevier B.V. All rights reserved.
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              Evening exposure to a light-emitting diodes (LED)-backlit computer screen affects circadian physiology and cognitive performance.

              Many people spend an increasing amount of time in front of computer screens equipped with light-emitting diodes (LED) with a short wavelength (blue range). Thus we investigated the repercussions on melatonin (a marker of the circadian clock), alertness, and cognitive performance levels in 13 young male volunteers under controlled laboratory conditions in a balanced crossover design. A 5-h evening exposure to a white LED-backlit screen with more than twice as much 464 nm light emission {irradiance of 0,241 Watt/(steradian × m(2)) [W/(sr × m(2))], 2.1 × 10(13) photons/(cm(2) × s), in the wavelength range of 454 and 474 nm} than a white non-LED-backlit screen [irradiance of 0,099 W/(sr × m(2)), 0.7 × 10(13) photons/(cm(2) × s), in the wavelength range of 454 and 474 nm] elicited a significant suppression of the evening rise in endogenous melatonin and subjective as well as objective sleepiness, as indexed by a reduced incidence of slow eye movements and EEG low-frequency activity (1-7 Hz) in frontal brain regions. Concomitantly, sustained attention, as determined by the GO/NOGO task; working memory/attention, as assessed by "explicit timing"; and declarative memory performance in a word-learning paradigm were significantly enhanced in the LED-backlit screen compared with the non-LED condition. Screen quality and visual comfort were rated the same in both screen conditions, whereas the non-LED screen tended to be considered brighter. Our data indicate that the spectral profile of light emitted by computer screens impacts on circadian physiology, alertness, and cognitive performance levels. The challenge will be to design a computer screen with a spectral profile that can be individually programmed to add timed, essential light information to the circadian system in humans.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo, SP, Brazil )
                1517-8692
                1806-9940
                September 2017
                : 23
                : 5
                : 375-379
                Affiliations
                [1] Recife Pernambuco orgnameUniversidade de Pernambuco orgdiv1Programa Associado de Pós-Graduação em Educação Física Brazil
                [3] Recife Pernambuco orgnameUniversidade Federal Rural de Pernambuco Brazil
                [2] Recife Pernambuco orgnameUniversidade Federal de Pernambuco orgdiv1Programa de Pós-Graduação em Neuropsiquiatria e Ciências do Comportamento Brazil
                Article
                S1517-86922017000500375
                10.1590/1517-869220172305163582
                e26442c8-6600-43e9-88f6-e2e2beb00fc6

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 17 May 2017
                : 07 May 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 26, Pages: 5
                Product

                SciELO Brazil


                televisión/utilización,sedentary lifestyle.,estilo de vida sedentário.,televisão/utilização,sono,sueño,sleep,television/utilization,estilo de vida sedentario.

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