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Anales de la Facultad de Ciencias Médicas (Asunción)

versión impresa ISSN 1816-8949


ACEVEDO, Gabriela; DOLDAN, Marcela; BURGOS, Rodrigo  y  ACUNA, Rossmary. Hours of sleep and body mass index in patients of the nutritional clinic of a public university in Paraguay. An. Fac. Cienc. Méd. (Asunción) [online]. 2022, vol.55, n.1, pp.39-48. ISSN 1816-8949.


Insufficient sleep favors weight gain and body mass index, so that the alteration of the quantity and quality of nocturnal sleep has been proposed as a factor associated with obesity and other noncommunicable diseases.


To determine the correlation between hours of sleep and Body Mass Index (BMI) in patients.

Materials and methods:

Observational, analytical, cross-sectional, and non-probabilistic convenience sampling design. A survey with questions adapted from the Pittsburg questionnaire was applied to 62 male and female subjects older than 19 years who attended the nutritional clinic (June-July 2021) and signed an informed consent for nutritional assessment and body composition. Spearman's nonparametric correlation test was used, and CEI-FCQ-UNA approval was obtained (CEI 670/2021).


63% (n=39) were women of median age 24 years and RIC 7, 64% (n=40) were students. 53 %(n=33) were overweight and obese, with high and very high levels 81 %(n=50) of total fat mass. The median hours of sleep were 6 hours in the total population, in patients with normopeso a median of 7 hours of sleep was obtained and in patients with overweight and obesity a median of 6 hours of sleep respectively, no statistically significant correlation r=0.35 (vp=0.5038) was found between hours of sleep and BMI.


Patients' sleep hours were not significantly correlated with their BMI.

Palabras clave : Sleep; Body Mass Index; Obesity; Paraguay..

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