About The Study: In this cohort study of middle-aged and older participants, persistent inadequate sleep duration and late sleep onset, whether alone or in combination, were associated with greater glycemic variability. These findings emphasize the importance of considering both sleep duration and timing for optimizing glycemic control in the general population.
Corresponding Authors: To contact the corresponding authors, email Ju-Sheng Zheng, PhD, (zhengjusheng@westlake.edu.cn) and Yu-ming Chen, PhD, (chenyum@mail.sysu.edu.cn).
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(doi:10.1001/jamanetworkopen.2025.0114)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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