International Journal of Medical and Health Research

International Journal of Medical and Health Research


ISSN: 2454-9142

Vol. 3, Issue 2 (2017)

Correlation of sleep pattern and duration with obesity in students: A clinical study

Author(s): Raj Kumar, Sanjay Nagar
Abstract: Background: Obesity is reaching epidemic proportions throughout the developed world and is attributed largely to industrialization with reduced acute and chronic disease, increased food consumption, and lowered levels of physical activity. The present study was conducted to evaluate the correlation of sleep with obesity in students. Materials & Methods: It included 250 students in age range of 18-24 years. Students suffering from hypothyroidism and diabetes, psychological related disorders, and on medications such as steroids, sleep inducing, antihistaminic were also excluded from the study. Assessment of Obesity was determined by using the body mass index (BMI) formula. Pittsburgh sleep quality index (PSQI) was used for assessment of sleep durations and patterns. Results: Out of 250 subjects, males were 120 and females were 130. Subjects were underweight (males- 21, females- 24), normal weight (males- 50, females- 46), over weight (males- 22, females- 32), pre- obese (males- 13, females- 17) and obese (males- 14, females-11). The 21.6% of students were overweight, 12% were pre- obese and 10% were obese. The total hours of sleep of students was < 5 hours (10%), 5-6 hours (50%), 6-7 hours (25%) and >7 hours (15%). The difference was significant (P< 0.05). Fig 2 shows Pittsburgh sleep quality index (PSQI). 4% had score 1-3, 45% had 4-6, 41% had 7-9 and 10% had 10-12. The difference was significant (P< 0.05). 8 Out of the 24 obese (BMI >30) students and 12 of the 30 students who were overweight (BMI 25-29.9) had PSQI scores ranging from 7-9, indicating higher difficulties in sleep patterns. Fig 4 shows that 7 obese students, 5 pre obese, 3 overweight, 6 normal weight and 4 underweight had sleep less than 5 hours. 35 overweight students had 5-6 hours of sleep. While on association with BMI groups there was no significant association however it was observed that a near majority students being overweight had low sleep duration. Conclusion: Students usually sleep for less hours and develops obesity or become overweight due to long hours of study. Abnormal sleep pattern also contribute to obesity. Hence proper sleep is required to prevent developing obesity among students.
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