SLEEP QUALITY AND ITS ASSOCIATION WITH BODY WEIGHT AMONG ADULTS: AN EPIDEMIOLOGICAL STUDY
Obesity and sleep disorders are common adverse health problems, related to unhealthy behaviors and the two can co-exist frequently. Majority of studies examining the relation between sleep and obesity have examined mainly the effect of sleep duration on the body weight. However, assessing sleep involves both quantitative and qualitative aspects. Aim of the study was to investigate the relation between sleep quality and body weight. This was a Community based cross sectional study carried out in Minia, Egypt. Sleep quality was assessed in 469 participants using the Pittsburgh Sleep Quality Index (PSQI). Sociodemographic data and anthropometric measures were collected. The study reported that the PSQI score was significantly higher among overweight/obese 6.11±3.05 than that of normal body weight subjects 5.58±2.64. Across the two studied BMI based groups; there was a statistically significant difference in each of duration of night sleep, sleep disturbances and timing of going to bed. The global score is increasing with the increase in BMI presented in each BMI category. Among men of the studied group; PSQI score was 5.00±2.48, 5.22±2.97 and 6.79±3.20 of the healthy body weight, overweight and obese category respectively (p=0.011). Same trend is among women but couldn't reach significance (p=0.27). The global PSQI score has a statistically significant correlation with sleep duration, sleep latency and the BMI. As well, duration of night sleep is significantly correlated with the BMI. The study concluded an association between short sleep duration with an increased likelihood of being overweight/obese in the adult population.
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