2024-07-23 19:38:12
A domestic research team is drawing attention by elucidating the effects of morning and evening sleep on cognitive function.
The Korea Institute of Oriental Medicine announced on the 23rd that the research team led by Dr. Ji-eun Park of the Oriental Medicine Data Department has discovered a correlation between sleep patterns, such as morning and evening types, and cognitive function.
Until now, research on the effects of sleep has mainly focused on sleep duration and sleep quality.
There has not been much research on the individual chronotype (individual preference for morning or evening activities), also known as morning type or evening type.
Also, the type of cognition that is higher among morning and evening types differs from study to study.
Accordingly, the research team collaborated with Imperial College London in the UK and used large-scale data from both countries to analyze the relationship between morning and evening types and cognitive function.
A cross-sectional analysis using data from more than 26,800 people (aged 53–86) from a biobank database collected from 500,000 British adults found that evening types had higher cognitive function than morning types, and that the extent of memory decline differed depending on the morning and evening types.
Cross-sectional analysis is a method of collecting and analyzing data by examining the status or opinions of various individuals or groups at a specific point in time.
In addition, after classifying people into morning and evening types based on their waking and sleeping times and testing their cognitive functions, evening types showed 7-14% higher scores on cognitive ability assessments than morning types.
The degree of memory decline may vary depending on whether you are a morning or evening type, and the optimal amount of sleep time to lower the risk of memory decline may vary depending on your type.
![I woke up early and was like, ‘Wow~’… Night type people have higher cognitive abilities than morning type people I woke up early and was like, ‘Wow~’… Night type people have higher cognitive abilities than morning type people](https://dimg.donga.com/wps/NEWS/IMAGE/2024/07/23/126069512.2.jpg)
Dr. Park Ji-eun said, “Each person’s chronotype, whether they are a morning person or an evening person, is an important factor that affects the quality of their sleep and their health,” and added, “We will continue to conduct research on this in the future to contribute to improving national health.”
The results of this study, which was conducted with the support of the basic project of the Korean Medicine Research Institute under the Ministry of Science and ICT, were published in the internationally renowned academic journal ‘Journal of Public Health Medicine’ on the 10th.
(Daejeon=News 1)
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2024-07-23 19:38:12