• Lishuai Yao and Tiantian Chen.
• Department of Cardiothoracic Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China.
• Medicine (Baltimore). 2024 Dec 6; 103 (49): e40915e40915.

AbstractSleep is a vital restorative process that plays a pivotal role in maintaining the delicate equilibrium of mental and physical well-being. Both short and long sleep duration are associated with a range of adverse health outcomes. Numerous studies have consistently demonstrated a robust association between sleep duration and liver disease. In this study, we conducted statistical tests and performed subgroup analyses to explore potential variations in this association across different contexts, aiming to elucidate the correlation between ALT, AST, and TB with sleep duration. This cross-sectional investigation utilized datasets from the National Health and Nutrition Examination Survey 2005 to 2010. Multivariate linear regression models were used to examine the linear association between ALT, AST, and TB with sleep duration. Test for interaction is commonly conducted using multivariabte models to assess statistically significant subgroup disparities. Fitted smoothied curves and threshold effect analyses were employed to depict nonlinear relationships. The study enrolled 17,491 participants aged 16 to 85 years who met the inclusion and exclusion criteria, with a mean age of the participants was 45.58 ± 19.94 years. Multivariate linear regression analysis showed a significant positive association between sleep duration and ALT [-0.23 (-0.45, -0.00) 0.0455] and AST[-0.20 (-0.38, -0.01) 0.0338] in Model 3. Using a two-segment linear regression model, we found an U-shaped relationship and significant inflection point between between ALT and AST with sleep duration. The present study unveiled a significant inverse correlation between sleep duration and levels of ALT and AST, while no significant association was observed with TB levels. Furthermore, variations in the optimal sleep duration for liver function recovery were identified across diverse populations, thereby offering valuable healthcare recommendations to public.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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