Sleep duration, asthma and obesity
Mihaela Teodorescu1, David A Polomis, Ronald E Gangnon
1James B. Skatrud Pulmonary/Sleep Research Laboratory, Medical Service, William S. Middleton Memorial Veterans Hospital , Madison, WI , USA .
Summary
Obesity is common in asthma patients. Both short and very long sleep durations are linked to higher obesity rates in adults with asthma, alongside severe asthma and psychopathology.
Area of Science:
- Pulmonary Medicine
- Sleep Science
- Obesity Research
Background:
- Obesity is increasingly prevalent in individuals with asthma.
- Sleep duration has emerged as a significant risk factor for obesity in the general population.
- Understanding the interplay between sleep, asthma, and obesity is crucial for public health.
Purpose of the Study:
- To investigate the association between habitual sleep duration and asthma characteristics with obesity in adults.
- To identify potential sleep-related risk factors contributing to obesity in asthmatic patients.
- To explore the relationship between asthma severity, medication use, and obesity.
Main Methods:
- A cross-sectional study involving 611 adult asthmatic patients from tertiary clinics.
- Data collected via surveys on asthma symptoms and habitual sleep duration, supplemented by medical record reviews.
- Obesity defined by Body Mass Index (BMI) ≥30 kg/m², with sleep categorized into five groups: very short (<6h), short (6-<7h), normal (7-8h), long (>8-≤9h), and very long (>9h).
Main Results:
- 41% of participants were obese (mean BMI 30±8).
- Obesity was significantly associated with short sleep duration (OR 1.66, p=0.02) and very long sleep duration (OR 2.24, p=0.03) compared to normal sleepers.
- Higher asthma severity (OR 1.87, p=0.02), psychopathology (OR 1.64, p=0.02), and a trend towards high-dose inhaled corticosteroids (OR 1.82, p=0.08) were also linked to obesity.
Conclusions:
- Obesity in asthmatics is associated with both short and very long sleep durations.
- Worse asthma severity, presence of psychopathology, and high-dose inhaled corticosteroid use are also linked to obesity in this population.
- Further research into sleep patterns may offer novel strategies for managing obesity in asthma patients.
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