Abstract
Recent studies have shown a negative association between sleep duration and obesity. We examined this relationship using data on 2002 non‐pregnant women aged 35–68 from the Cebu Longitudinal Health and Nutrition Survey, a community‐based prospective study in Metro Cebu, Philippines. Sleep duration (total hours sleep) was calculated from the women's 24‐hr activity diaries (reported for a typical weekday). Obesity measures include body mass index (BMI; in kg/m2)) and waist circumference (in cm). Linear regression models adjusted for age, energy intake, parity, activity levels, and other confounders show a negative association between sleep duration and BMI [beta (95% CI) −0.26 (−0.38 to −0.14)] and waist circumference[beta (95% CI) −0.57 (−0.88 to −0.27)]. Getting more than 6 hours of sleep protected against the risk of overweight (BMI=>25) [Odds ratio (95% CI) −0.68 (0.55 to 0.84)]. These findings are consistent with those of other studies, and provide valuable insights particularly for older women given that 39% of these women are aged >=50. Among older adults, this sleep‐obesity association gains relevance as sleep duration gets shorter and losing weight becomes more difficult with age.NIH Grant No. 5R03TW008133‐02
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