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Sleep quality and body composition assessment in college students


Sleep, which is characterized as a basic human need whose preservation and maintenance are fundamental for the individual to lead a healthy life, has been studied in recent years. This is justified due to the correlation between habits, quality and sleep duration and sever-al other factors. Admission to college with new activities, re-sponsibilities and concerns can be considered an important risk factor for the development of health problems (Rodrigues, 2017). Sleep irregularities also compromise the attention, memory, and academic performance of these students. Due to impaired cognitive functioning, sleep should be an important concern for university students, for whom academic performance is a priority (Araújo, 2013).


The aim of this study was to identify the characteristics and pattern of sleep and to verify if there is a correlation between the poor quality of sleep and the body composition of university students.


A descriptive cross-sectional study, with a quali-quantitative approach, attended by 100 university students in of the Einstein Integrated College of Limeira. The subjects signed the consent term and began the fulfillment of the sociodemographic questionnaire and PSQI (Pittsburgh Sleep Quality Index). Individual anthropometric assessments were performed to analyze body composition of the individuals, at scheduled dates and according to the volunteer's availability. Anthropometric measurements of shoulder, chest, waist, abdomen, hip, thighs, arms and calves were used. The protocol used to measure the percentage of fat was the formula of 4 Pollock folds (triceps, subscapu-laris, suprailiac and abdominal). The collected data was transferred to Microsoft Office spreadsheet Excel® and analyzed through the software Prism 7 version 7.0. To evaluate the normality of the data, the Shapiro-Wilk test was used, and for proportions and distribution, the chi-square.


We observed that only 31% of the students were classified as Good Sleep and 69% as Bad Sleep. Among the subjects who don't practice physical activity, 53.6% have Bad Sleep Quality, according to the PSQI result. it was possible to verify correlation between higher body fat percentage and worse PSQI.


The data from this research corroborate with others in the literature, in which students have poor sleep quality and may be related to the presence of disturbances, excessive daytime sleepiness and higher body fat values.


sleep, students, body fat


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