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How sleep affects allergies and asthma
When teenagers stay up late in the evening and wake up later in the morning, there is a greater chance of developing asthma and allergies compared to adolescents who go to bed earlier and get up earlier.
The study, led by the University of Alberta in Canada, found that teenagers who go to bed later and get up later in the morning are at higher risk of asthma and allergies. The results were published in the English language journal "ERJ Open Research".
Over 1,600 teenagers were examined
1,684 young people from India who were aged 13 or 14 participated in the study. All participants were asked whether they had wheezing, asthma or symptoms of allergic rhinitis, such as a runny nose and sneezing. In addition, a number of questions were asked, such as when they feel tired in the evening, when they get up in the morning and how tired they are in the morning.
How does sleep affect the risk of asthma in teenagers?
Although it is already known that asthma symptoms are closely related to the body's internal clock, the current study is the first to examine how individual sleep preferences affect the risk of asthma in teenagers. The results show the importance of sleep time for teenagers and more research should now follow to find out how sleep affects teenage respiratory health.
Worldwide increase in asthma in adolescents
Asthma and allergic diseases are common in children and adolescents around the world and the prevalence continues to increase. Some reasons for this increase have already been identified, such as pollution and smoking. Sleep and the sleep hormone melatonin are known to affect asthma, so the researchers investigated whether young people who stayed up late and got up late showed an increased risk of asthma.
Risks associated with late bedtime
The research group found that the likelihood of asthma was about three times higher in teenagers who went to bed late than in teenagers who went to bed early. It was also observed that the risk of allergic rhinitis disease was twice as high among adolescents who went to bed late compared to adolescents who slept early. Healthy sleep is important for physical and mental health, so not all people should pay attention to proper sleeping habits.
Melatonin appears to affect an allergic reaction
The results found suggest that there is a relationship between preferred sleep time and asthma and allergies in teenagers. Late sleep is not proven to cause asthma, but it has been found that the sleep hormone melatonin is often out of sync in teenagers going to bed late, which in turn could affect teenagers' allergic reactions.
Children and adolescents stay awake longer and are increasingly exposed to the light from mobile phones, tablets and other devices. It is possible that restricting the use of the above devices in the evening could help reduce the risk of asthma and allergies by making teenagers go to bed a little earlier instead of looking at technical devices. This should be examined in more detail in the future. A second phase of the study is planned between 2028 and 2029. (as)
Author and source information
This text corresponds to the specifications of the medical literature, medical guidelines and current studies and has been checked by medical doctors.
- Soumya Bhattacharjee, Prasun Haldar, Santi Gopal Maity, Smriti Debnath, Saibal Moitra et al .: Prevalence and Risk Factors of Asthma and Allergy-Related Diseases among Adolescents (PERFORMANCE) study: rationale and methods, in ERJ Open Research (published 27.06.2018 ), ERJ Open Research