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Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings
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Objectively Measured Disrupted Sleep Is Independently and Directly Associated With Low Exercise Capacity in Males: A

Ren-Jing Huang1, Shin-Da Lee2,3,4, Ching-Hsiang Lai5

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Objective sleep disturbance directly lowers exercise capacity. Sleep-disordered breathing indirectly impacts fitness through obesity and lung issues, highlighting the need for sleep studies in those with unexplained low exercise capacity.

Keywords:
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Area of Science:

  • Cardiorespiratory Fitness
  • Sleep Science
  • Obesity Research

Background:

  • Cardiorespiratory fitness is crucial for overall health.
  • Sleep disturbances, obesity, sedentary behavior, and lung dysfunction are common health issues.
  • Understanding the interplay between these factors is vital for public health.

Purpose of the Study:

  • To investigate the relationship between objective sleep disturbance and obesity, sedentary lifestyle, and lung dysfunction.
  • To determine if these factors are negatively associated with cardiorespiratory fitness.

Main Methods:

  • Community cohort study of 521 men.
  • Utilized structural equation modeling (SEM) to analyze anthropometry, pulmonary function, polysomnography, and cardiopulmonary exercise testing.
  • Employed univariate correlation and advanced SEM analyses.

Main Results:

  • Obesity, irregular exercise, impaired lung function, and disrupted sleep were independently associated with low exercise capacity.
  • Sleep-disordered breathing indirectly affected exercise capacity through obesity and interactions with lung function and sedentary lifestyle.
  • Sleep-disordered breathing showed a strong correlation with obesity.

Conclusions:

  • Objectively measured disrupted sleep directly reduces exercise capacity.
  • Sleep-disordered breathing's impact on exercise capacity is indirect, mediated by obesity and other lifestyle factors.
  • Recommends sleep studies for individuals with unexplained low exercise capacity, especially those with sleep-disordered breathing symptoms.