Wheezing during sleep
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Wheezing During Sleep: Prevalence and Clinical Significance
Wheezing during sleep is a common symptom in both children and adults with respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD) 128. Nocturnal wheezing is particularly important because it is often linked to poor disease control and can significantly impact sleep quality and daytime functioning 246.
Wheezing and Asthma Control
Studies show that wheezing during sleep is a strong indicator of uncontrolled asthma. In one study, 14.5% of asthmatic patients experienced wheezing during sleep, and most of these patients had poorly controlled asthma, as measured by lower Asthma Control Test (ACT) scores . This suggests that nocturnal wheezing is a sign that asthma management may need to be improved .
Wheezing and Sleep Disturbance in Children
Children with asthma frequently experience nocturnal wheezing, which is associated with disturbed sleep, including delayed sleep onset, night wakings, and restless sleep 46. These sleep disturbances can lead to daytime sleepiness, tiredness, and problems with mood, academic performance, and behavior 467. The number and intensity of wheeze sounds detected in young children can predict the risk of sleep disturbance and prolonged asthma exacerbations .
Mechanisms Behind Nocturnal Wheezing
The exact causes of wheezing during sleep are complex. While exposure to allergens can trigger nocturnal wheezing, especially in allergic asthma, non-allergic (intrinsic) asthma patients also experience nighttime symptoms 15. Factors such as fluctuations in airway resistance, impaired mucociliary clearance, and changes in body temperature at night may contribute, but the relationship between sleep stages and wheezing is not clear 15. Acid reflux and body position do not appear to be major contributors 15.
Wheezing in COPD and Other Respiratory Conditions
Wheezing during sleep is also common in patients with COPD, with studies showing that about 31% of stable COPD patients have significant periods of nocturnal wheezing . Persistent smoking increases the likelihood of night-time wheezing in these patients . Both short and long sleep durations are associated with increased risk of wheezing and other respiratory symptoms in adults, highlighting the importance of sleep management in respiratory disease .
Objective Monitoring and Clinical Implications
New technologies, such as automated sound monitors, can objectively detect and quantify wheezing and coughing during sleep, providing valuable information for clinicians to assess disease control and adjust therapy 28. This objective monitoring can help identify patients at risk for poor sleep quality and uncontrolled respiratory disease, leading to better management strategies 28.
Conclusion
Wheezing during sleep is a common and clinically significant symptom in both children and adults with asthma and COPD. It is closely linked to poor disease control and sleep disturbance, which can negatively affect daytime functioning and quality of life. Objective monitoring of nocturnal wheezing can improve disease management and patient outcomes 2346+1 MORE.
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Most relevant research papers on this topic
Disease control in patients with asthma and respiratory symptoms (wheezing, cough) during sleep
The LEOSound-Monitor effectively detects wheezing and coughing during sleep, allowing for improved asthma therapy by assessing respiratory symptoms objectively.
Wheeze sound characteristics are associated with nighttime sleep disturbances in younger children
The number of wheeze bands per 30 seconds on lung-sound analysis is a useful indicator of the risk of nighttime sleep disturbance in young children with wheezing.
Sleep disturbance and daytime symptoms in wheezing school‐aged children
Wheezing in school-aged children is associated with decreased sleep quality and increased daytime tiredness and sleepiness, with upper airway symptoms contributing to these sleep disturbances.
Interactions of obstructive sleep‐disordered breathing with recurrent wheezing or asthma and their effects on sleep quality
Obstructive sleep-disordered breathing and recurrent wheezing/asthma are associated with poor sleep quality and increased risk of sleep disturbances and cognitive dysfunction.
The association between sleep duration, respiratory symptoms, asthma, and COPD in adults
Long and short sleep duration are associated with cough and dyspnea, and short sleep duration is an independent risk factor for wheezing, asthma, and COPD.
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