Journal article

Associations between sleep duration, sleep quality and diabetic retinopathy

Nicholas YQ Tan, Merwyn Chew, Yih-Chung Tham, Duc Nguyen Quang, Masayuki Yasuda, Ching-Yu Cheng, Tien Yin Wong, Charumathi Sabanayagam

PLoS One | PUBLIC LIBRARY SCIENCE | Published : 2018

Abstract

BACKGROUND: Abnormal durations of sleep have been associated with risk of diabetes. However, it is not clear if sleep duration is associated with diabetic retinopathy (DR). METHODS: In a cross-sectional study, we included 1,231 (Malay, n = 395; Indian, n = 836) adults (mean age 64.4 ± 9.0 years, 50.4% female) with diabetes from the second visit of two independent population-based cohort studies (2011-15) in Singapore. Self-reported habitual sleep duration was categorized as short (<6 h), normal (6≤ h <8), and long (≥8 h). Questionnaires were administered to detect risk of obstructive sleep apnea (OSA), excessive daytime sleepiness, and insomnia, all of which may indicate poor quality of slee..

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Grants

Awarded by National Medical Research Council, Singapore


Awarded by SingHealth Foundation Research


Funding Acknowledgements

This study was supported by the National Medical Research Council (NMRC CIRG/1371/2013 and NMRC/STaR/016/2013), Singapore and SingHealth Foundation Research, SHF/FG563S/2012. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.