Sleep and diet quality in adolescentes
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abstract
Introduction: lnability to sleep increases the vulnerability of overeating in particular
high calorie density foods considering the current obesogenic environment. In
addition, scientific research has shown that a healthy and balanced diet positively
influences sleep quality. OBJECTIVES: This study aimed to evaluate the quality of sleep of adolescents in the county of Bragança and its association with diet quality.
METHODOLOGY: It was carry out the study in a population of 345 high school
students. The data was collected in May 2017 through a questionnaire that included
the Pittsburgh Sleep Quality Index (PSQI), by Ramalho (2008).
RESULTS: Throughout the study and following PSQI analysis, it was concluded that
33,71 % (n=137) of participants showed poor quality of sleep (PSQI >5 points). The
correlation between sleep quality and diet quality was assessed and a statistically
significant association was found between the quality of sleep and the intake of
snacks (X2=17. 144; p<0. 001), sugary products (X2=18. 603; p=0. 000), fast-food
(X2=12.353;p=0.002 ) and ready meals (X2=14,852;p< 0.001). The risk of suffering
from poor sleep quality is higher in young populations who frequently eat snacks
([OR]: 2. 811; 99%), sugary products ([ORj: 1.901; 95%), fast-food ([OR]: 4. 000;
99%) and ready meals ([OR]: 5.621; 95%) in comparison with young populations
who rarely eat this sort of food. The sleep quality is also significantly related to the
number of correct eating habits (test t = 4.857, p<0.001). Adolescents with good
sleep quality presented a greater number of correct eating habits (mean: 7. 85)
compared to students with poor sleep quality (mean: 6. 55).
CONCLUSIONS: Through the analysis of the results, the correlation between sleep
quality and dietary quality is evident. The risk of having poor quality of sleep is
higher in students who frequently eat a high calorie diet and also in students who
have fewer healthy eating habits.
