title: Association of maternal short sleep duration with adiposity and cardiometabolic status at 3 years postpartum.
abstract: The purpose of this study was to examine the association of short sleep duration among women in the first year postpartum with adiposity and cardiometabolic status at 3 years postpartum. We studied 586 women in Project Viva, a prospective cohort. At 6 months and 1 year postpartum, women reported the number of hours they slept in a 24-h period, from which we calculated a weighted average of daily sleep. We used multivariable regression analyses to predict the independent effects of short sleep duration (≤5 h/day vs. >5 h/day) on adiposity, glucose metabolism, lipid metabolism, and adipokines at 3 years postpartum. Women's mean (s.d.) hours of daily sleep in the first year postpartum was 6.7 (0.97) h. After adjusting for age, race/ethnicity, education, parity, prepregnancy BMI, and excessive gestational weight gain, we found that postpartum sleep ≤5 h/day was associated with higher postpartum weight retention (β 1.50 kg; 95% confidence interval (CI): 0.02, 2.86), higher subscapular + triceps skinfold thickness (β 3.94 mm; 95% CI: 1.27, 6.60) and higher waist circumference (β 3.10 cm; 95% CI: 1.25, 4.94) at 3 years postpartum. We did not observe associations of short sleep duration with measures of cardiometabolic status at 3 years postpartum. In conclusion, short sleep duration in the first year postpartum is associated with higher adiposity at 3 years postpartum.
authors.affiliation: Obesity Prevention Program, Department of Population Medicine, Harvard Pilgrim Health Care Institute and Harvard Medical School, Boston, Massachusetts, USA. Elsie_Taveras@hphc.org
authors.forename: Elsie M
authors.initials: EM
authors.lastname: Taveras
authors.forename: Sheryl L
authors.initials: SL
authors.lastname: Rifas-Shiman
authors.forename: Janet W
authors.initials: JW
authors.lastname: Rich-Edwards
authors.forename: Erica P
authors.initials: EP
authors.lastname: Gunderson
authors.forename: Alison M
authors.initials: AM
authors.lastname: Stuebe
authors.forename: Christos S
authors.initials: CS
authors.lastname: Mantzoros
mesh_terms: D050154:Adiposity / Q000502:physiology*; D000328:Adult; D015992:Body Mass Index; D001835:Body Weight / Q000502:physiology; D001942:Breast Feeding / Q000453:epidemiology; D002319:Cardiovascular System / Q000378:metabolism / Q000503:physiopathology*; D015331:Cohort Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D009765:Obesity / Q000150:complications / Q000209:etiology / Q000378:metabolism / Q000503:physiopathology; D050177:Overweight / Q000453:epidemiology; D049590:Postpartum Period / Q000378:metabolism / Q000502:physiology*; D012890:Sleep / Q000502:physiology; D012892:Sleep Deprivation / Q000150:complications* / Q000378:metabolism* / Q000503:physiopathology*; D013997:Time Factors