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Updated: Jun 28, 2025
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Noninvasive, High-throughput Determination of Sleep Duration in Rodents
Published on: April 18, 2018
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Association between sleep traits and sarcopenia-related traits: A two-sample bidirectional Mendelian randomization
Ruifan Ye1, Jiajia Pan2, Xinying Hu3
1Department of Plastic and Aesthetic Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
Geriatrics & Gerontology International
|April 19, 2024
Summary
Prioritizing sleep quality may help prevent sarcopenia. This study found causal links between certain sleep traits, like insomnia and napping, and sarcopenia indicators such as muscle mass and walking pace.
Area of Science:
- Gerontology
- Sleep Medicine
- Genetics
Background:
- Sleep quality is linked to various diseases, yet its impact on sarcopenia remains under-researched.
- Sarcopenia, characterized by muscle mass and strength loss, affects aging populations.
- Understanding the relationship between sleep and sarcopenia is crucial for public health.
Purpose of the Study:
- To investigate the potential causal relationships between various sleep traits and sarcopenia-related indicators.
- To explore bidirectional associations using a robust genetic analysis approach.
Main Methods:
- A two-sample bidirectional Mendelian randomization analysis was employed.
- Genetic data for sleep traits (chronotype, sleep duration, insomnia, etc.) and sarcopenia indicators (appendicular lean mass, grip strength, walking pace, etc.) were utilized.
- Inverse-variance weighted analysis was the primary statistical method.
Main Results:
- A significant association was observed between chronotype and appendicular lean mass.
- Daytime napping showed a causal link with walking pace and waist circumference.
- Insomnia was associated with reduced grip strength and slower walking pace.
- Reverse analysis indicated that sarcopenia traits can also influence sleep quality.
Conclusions:
- Specific sleep traits, including chronotype, napping, and insomnia, are causally associated with sarcopenia-related traits.
- These findings highlight the importance of good sleep quality in preventing sarcopenia.
- Interventions targeting sleep may offer a novel strategy for sarcopenia prevention.
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