Yi Zhou1, Izzuddin M Aris2, Sara Shuhui Tan1, Shirong Cai3, Mya Thway Tint3, Gita Krishnaswamy4, Michael J Meaney5, Keith M Godfrey6, Kenneth Kwek7, Peter D Gluckman8, Yap-Seng Chong9, Fabian Yap10, Ngee Lek11, Joshua J Gooley12, Yung Seng Lee13. 1. Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School, Singapore. 2. Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. 3. Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. 4. Centre for Quantitative Medicine, Duke-NUS Graduate Medical School, Singapore. 5. Department of Psychiatry, Neurology, and Neurosurgery, McGill University, Montréal, Québec, Canada. 6. Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK; NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK. 7. Department of Maternal Fetal Medicine, KK Women's and Children's Hospital, Singapore. 8. Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Brenner Centre for Molecular Medicine, Singapore; Liggins Institute, University of Auckland, Auckland, New Zealand. 9. Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Brenner Centre for Molecular Medicine, Singapore. 10. Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School, Singapore; Department of Paediatrics, Paediatric Endocrinology Service, KK Women's and Children's Hospital, Singapore. 11. Department of Paediatrics, Paediatric Endocrinology Service, KK Women's and Children's Hospital, Singapore. 12. Program in Neuroscience and Behavioral Disorders, Duke-NUS Graduate Medical School, Singapore. Electronic address: joshua.gooley@duke-nus.edu.sg. 13. Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Brenner Centre for Molecular Medicine, Singapore; Division of Paediatric Endocrinology and Diabetes, Khoo Teck Puat-National University Children's Medical Institute, National University Hospital, Singapore. Electronic address: paeleeys@nus.edu.sg.
Abstract
BACKGROUND AND AIM: Short sleep duration is thought to be a factor contributing to increased body mass index (BMI) in both school-age children and adults. Our aim was to determine whether sleep duration associates with growth outcomes during the first two years of life. STUDY DESIGN: Participants included 899 children enrolled in the Growing Up in Singapore Towards healthy Outcomes (GUSTO) birth cohort study. Anthropometric data (weight and body length) and parental reports of sleep duration were collected at 3, 6, 9, 12, 18, and 24 months of age. A mixed-model analysis was used to evaluate the longitudinal association of BMI and body length with sleep duration. In subgroup analyses, effects of ethnicity (Chinese, Indian, and Malay) and short sleep at three months of age (≤12 h per day) were examined on subsequent growth measures. RESULTS: In the overall cohort, sleep duration was significantly associated with body length (β = 0.028, 95% confidence interval [CI] 0.002-0.053, p = 0.033), but not BMI, after adjustment for potential confounding factors. Only in Malay children, shorter sleep was associated with a higher BMI (β = -0.042, 95% CI -0.071 to -0.012, p = 0.005) and shorter body length (β = 0.079, 95% CI 0.030-0.128, p = 0.002). In addition, shorter sleep was associated with a higher BMI and shorter body length in children who slept ≤12 h per day at three months of age. CONCLUSION: The association between sleep duration and growth outcomes begins in infancy. The small but significant relationship between sleep and growth anthropometric measures in early life might be amplified in later childhood.
BACKGROUND AND AIM: Short sleep duration is thought to be a factor contributing to increased body mass index (BMI) in both school-age children and adults. Our aim was to determine whether sleep duration associates with growth outcomes during the first two years of life. STUDY DESIGN: Participants included 899 children enrolled in the Growing Up in Singapore Towards healthy Outcomes (GUSTO) birth cohort study. Anthropometric data (weight and body length) and parental reports of sleep duration were collected at 3, 6, 9, 12, 18, and 24 months of age. A mixed-model analysis was used to evaluate the longitudinal association of BMI and body length with sleep duration. In subgroup analyses, effects of ethnicity (Chinese, Indian, and Malay) and short sleep at three months of age (≤12 h per day) were examined on subsequent growth measures. RESULTS: In the overall cohort, sleep duration was significantly associated with body length (β = 0.028, 95% confidence interval [CI] 0.002-0.053, p = 0.033), but not BMI, after adjustment for potential confounding factors. Only in Malay children, shorter sleep was associated with a higher BMI (β = -0.042, 95% CI -0.071 to -0.012, p = 0.005) and shorter body length (β = 0.079, 95% CI 0.030-0.128, p = 0.002). In addition, shorter sleep was associated with a higher BMI and shorter body length in children who slept ≤12 h per day at three months of age. CONCLUSION: The association between sleep duration and growth outcomes begins in infancy. The small but significant relationship between sleep and growth anthropometric measures in early life might be amplified in later childhood.
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Authors: Linde van Lee; Shirong Cai; See Ling Loy; Elaine K H Tham; Fabian K P Yap; Keith M Godfrey; Peter D Gluckman; Lynette P C Shek; Oon Hoe Teoh; Daniel Y T Goh; Kok Hian Tan; Yap Seng Chong; Michael J Meaney; Helen Chen; Birit F P Broekman; Mary F F Chong Journal: J Affect Disord Date: 2017-08-23 Impact factor: 4.839
Authors: Iná S Santos; Bianca Del-Ponte; Luciana Tovo-Rodrigues; Camila S Halal; Alicia Matijasevich; Suélen Cruz; Luciana Anselmi; Mariângela Freitas Silveira; Pedro R Curi Hallal; Diego G Bassani Journal: JAMA Netw Open Date: 2019-12-02