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Sleep in children with asthma: results of the PIAMA study
Annette van Maanen1, Alet H Wijga, Ulrike Gehring
1Research Institute of Child Development and Education, University of Amsterdam, Amsterdam, The Netherlands.
Insights
Children with asthma frequently experience daytime sleepiness and tiredness. This study found no links between asthma and sleep quality or timing, only increased daytime fatigue in symptomatic children.
Area of Science:
- Pediatric Allergy and Immunology
- Sleep Medicine
- Epidemiology
Background:
- Asthma is common in children and may affect sleep.
- Previous research suggests impaired sleep in asthmatic children.
- Specific sleep disturbances linked to childhood asthma require further investigation.
Purpose of the Study:
- To identify specific sleep aspects associated with asthma in children.
- To determine if asthma correlates with sleep quality, quantity, or daytime sleepiness.
Main Methods:
- Utilized data from 2529 children (age 11) in the Prevention and Incidence of Asthma and Mite Allergy (PIAMA) birth cohort study.
- Parental reports on asthma symptoms and child reports on sleep patterns (bedtime, rise time, sleep quality, daytime sleepiness/tiredness).
- Logistic regression analysis to assess associations, controlling for confounders.
Main Results:
- Children with frequent asthma symptoms were significantly more likely to report daytime sleepiness/tiredness (34.4%) compared to those with infrequent (21.9%) or no symptoms (22.2%).
- No significant associations were found between asthma and bedtime, time spent in bed, or subjective sleep quality.
- The association between frequent asthma symptoms and daytime sleepiness was not confounded by sex, age, parental education, or indoor smoking.
Conclusions:
- Frequent asthma symptoms in children are strongly associated with increased daytime sleepiness/tiredness.
- Childhood asthma does not appear to be significantly linked to sleep timing or overall sleep quality.
- Targeting daytime sleepiness may be important for managing children with frequent asthma symptoms.
Abstract:
Children with asthma are thought to have impaired sleep quality and quantity. In this study, we investigated which of the many sleep aspects are associated with asthma. Our sample consisted of 2529 children (aged 11 years) who participated in the Prevention and Incidence of Asthma and Mite Allergy (PIAMA) birth cohort study. Parents reported about asthma symptoms (wheezing, dyspnoea, prescription of inhaled corticosteroids and asthma diagnosis) and children reported about different aspects of sleep (bedtime, rise time, sleep quality and daytime sleepiness/tiredness). Results were analysed with (logistic) regression analysis. Children with frequent asthma symptoms significantly more often reported that they felt sleepy or tired during the day (34.4% experienced daytime sleepiness/tiredness at least once a week) than children without asthma symptoms (22.2%) and children with infrequent asthma symptoms (21.9%). This association was not confounded by sex, age of the child, parental educational level or smoking inside the house; the effect was also not modified by sex. There were no associations between asthma and bedtime, time spent in bed or sleep quality. Children with frequent asthma symptoms experienced daytime sleepiness/tiredness more often than children with infrequent or no asthma symptoms. Otherwise, children with asthma did not differ much from children without asthma with regard to sleep.
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