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May 27, 2025 05:58 PM
Why do people sleep so separately in different countries, and what does it mean for their health? This is what a new study detects.
The new research published on 6 May in the proceedings of the National Academy of Sciences examined the relationship between the duration of sleep and health in various cultures. Studies show that sleep requirements are not universal and cultural factors play an important role in determining the duration of optimal sleep. Also read No fixed sleeping time? Studies show that it can increase your heart attack and stroke risk by 26%, even if you sleep for 8 hours.
Sleep needs varies in cultures
The study found that the optimal amount of sleep for health varies from the country to the country, and those who sleep in alignment with the norms of their culture reports better health. Conclusions also said that long sleep is associated with better health, but too much sleep can be harmful.
The research team led by Steven Hein at the University of British Columbia was inspired by a long -standing question: Why do people in different countries sleep in such a different way, and what does it mean to their health? While many sleep guidelines recommend a standard eight-hour sleep per night, cross-national studies continuously show that the average sleep duration varies dramatically.
“I have lived in Japan for many years and it was always striking how few people were sleeping there. On the other hand, Japan has the longest average lifetime in the world, so it’s surprising that they were not suffering from their short sleep period,” Steven Hein explained.
Low sleep duration does not mean negative health
The study showed whether people from countries with low sleep duration suffer from worse health in two separate investigations. Researchers found that people of cultures with short sleep duration are not suffering from more negative health results.
In addition, the optimal volume of sleep duration varies between cultures, and 3) enjoy better health. This shows that people’s sleep needs are flexible and take shape from cultural norms.
Note the readers: This article is only for informative purposes and is not an option for professional medical advice. Always consult your doctor with any question about a medical condition.
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