Related Experiment Video
Updated: May 28, 2026
07:33
Noninvasive, High-throughput Determination of Sleep Duration in Rodents
Published on: April 18, 2018
Causal Links Between Sleep Duration and Sarcopenia-Related Phenotypes: A Mendelian Randomization and Shared Genetic
Haibin Shang, Zhen Deng, Youzhi Lian
1Tianjin Ninghe District Hospital of Traditional Chinese Medicine, Tianjin, China.
Summary
This study found that longer sleep duration is linked to lower muscle mass and strength, suggesting a causal relationship between sleep and sarcopenia. These findings may inform future treatments for muscle loss.
Area of Science:
- Gerontology
- Genetics
- Epidemiology
Background:
- Observational studies suggest a link between sleep duration and sarcopenia.
- Causal evidence for this association is lacking.
Purpose of the Study:
- To investigate the causal relationship between sleep duration and sarcopenia using Mendelian randomization.
- To explore shared genetic factors between sleep duration and muscle health.
Main Methods:
- Utilized data from the National Health and Nutrition Examination Survey (2015-2018).
- Applied multivariable logistic regression and two-sample Mendelian randomization.
- Performed sensitivity analyses and summary data-based Mendelian randomization.
Main Results:
- An inverse association was observed between sleep duration and sarcopenia.
- Longer sleep duration was negatively correlated with appendicular lean mass and grip strength.
- Reverse Mendelian randomization indicated a negative correlation between appendicular lean mass and long sleep time.
Conclusions:
- Revealed a potential causal link between sleep duration and sarcopenia.
- Identified shared risk genes involved in biological processes.
- Provides insights for potential clinical treatments and guidance for managing muscle health.
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