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Related Experiment Videos

Sleep Duration, Midpoint, Variability, Irregularity and Metabolic Dysfunction-Associated Steatotic Liver Disease.

Qingcui Wu, Fuman Song, Huijie Huang1

  • 1School of Public Health, Tianjin Medical University, Tianjin, China.

Behavioral Sleep Medicine
|March 13, 2025
PubMed
Summary
This summary is machine-generated.

Sleep irregularity and short sleep duration increase the risk of metabolic dysfunction-associated steatotic liver disease (MASLD). These sleep parameters should be considered in MASLD prevention strategies.

Related Experiment Videos

Area of Science:

  • Sleep Science
  • Hepatology
  • Metabolic Health

Background:

  • Metabolic dysfunction-associated steatotic liver disease (MASLD), formerly NAFLD, is a growing health concern.
  • The link between sleep patterns and MASLD risk is not fully understood.
  • Actigraphy offers objective measures of sleep duration and variability.

Purpose of the Study:

  • To investigate the association between actigraphy-derived sleep parameters and MASLD risk.
  • To explore how sleep duration, midpoint, variability, and irregularity relate to MASLD.
  • To identify specific sleep characteristics that may predict MASLD development.

Main Methods:

  • Utilized data from the National Health and Nutrition Examination Survey (NHANES) 2011-2014.
  • Assessed sleep duration and midpoint using 4-7 days of actigraphy.
  • Defined MASLD based on the multi-society Delphi consensus and hepatic steatosis by fatty liver index.
  • Employed multivariable weighted logistic regression for correlation and subgroup analyses.

Main Results:

  • Short sleep duration (<7 hours) was linked to a 24% increased risk of MASLD.
  • Increased sleep irregularity (standard deviation of midpoint) showed a significant trend with higher MASLD risk (P for trend = .003).
  • Sleep variability also showed a trend towards increased MASLD risk, particularly with >90 minutes of deviation (P for trend = .034).

Conclusions:

  • Sleep duration is a significant factor associated with MASLD risk.
  • Sleep irregularity, in addition to duration, emerges as a crucial factor for MASLD prevention.
  • Future research should consider both sleep duration and irregularity in MASLD management strategies.