The risk of developing circulatory diseases may even be increased by a phenomenon called social jetlag, which results from the difference between the sleep periods of days off and working days, according to a study by researchers at Semmelweis University.
For the first time, researchers at Semmelweis University were able to show a link between social jetage and neural regulation of heart function: according to their study the more social expectations and not our internal clock determine our sleep rhythm, the worse the quality of sleep and indicators of heart rate variability are all the less favorable, which also means a higher risk of developing certain circulatory diseases, according to a SOTE statement on Wednesday.
“On weekdays, we typically go to bed earlier and get up earlier, while on weekends we have a greater opportunity to decide for ourselves when to wake up. If there is a regular difference of up to several hours in this rhythm, it also affects the neural regulation of heart function.”The researchers found.
Krisztina Káldi, associate professor of the Institute of Physiology, emphasized: “On weekends and weekends, we can live more according to the rhythm dictated by our own biological lessons, that is, we can lie down when we are sleepy and get up when we have rested ourselves”. According to the researcher, there may be a difference of several hours between the two time windows. This is called a social jetlag, which is like taking a trip across 2-3 time zones every weekend. The topic is particularly topical, as the days of the year are now the longest, and this means, due to daylight saving time, that it is clear even at half past 10 in the evening.
Researchers say this has lengthened a clear period of evening deceives our inner clock, it conveys information that it is early. This reduces drowsiness and makes it harder to fall asleep on weekdays, leading to sleep deprivation due to premature getting up, and on the weekends it pushes our sleep window even further, further increasing our social record.
Staff of the Chronophysiological Working Group in collaboration with the Institute of Behavioral Sciences young, healthy men were studied for social jetlag and subjective sleep quality, and whether there is a correlation between heart rate variability, which is a good indicator of the condition of the autonomic nervous system.
A standardized questionnaire was used to characterize sleep quality, the results of which showed that those who did not sleep at the rhythm of their biological clock on weekdays, for example because they were of the so-called owl-type, that is, they would lie down later and get up later. poorer sleep quality has been reported.
The results showed that those more affected by social illness had lower heart rate variability on weekdays, i.e., less ability to adapt to their cardiovascular system, and this may increase the risk of developing cardiovascular diseases such as infarction or hypertension. It is also important to note that lower variability also suggests that sleep is less restful. Krisztina Káldi pointed out.
According to Ágnes Sűdy, PhD student, the first author of the study, the level of social security could be reduced, for example, by flexible working hours, but individuals can also do so to be less affected: late-type people are advised to stay in natural light as much as possible in the morning; in addition, the advice that in the evening it is advisable to reduce the intense blue light exposure, it is useful to change the brightness of the mobile phone or monitor screen with a blue light filter program The researcher pointed out.
The study by university researchers was selected by a leading neuroscience journal as one of the most significant publications of recent times.
Source: Patika Magazin Online by www.patikamagazin.hu.
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