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The Japanese sleep less, the French hold the record for sleep! (Country by Country Study)

2025-05-25 16:14:51Lifestyle SHKRUAR NGA REDAKSIA VOX
The Japanese sleep less, the French hold the record for sleep! (Country by
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The right amount of sleep depends on age, gender, and also partly on the individual circadian clock, but it can also depend on culture, i.e. country of origin.

Scientists at the University of British Columbia in the US discovered this when they investigated the relationship between cultures and sleep, and between shorter sleep and health.

The analysis, the results of which were published in the scientific journal "Proceedings of the National Academy of Sciences" (PNAS), was conducted on the sleep duration of almost 5,000 people living in 20 countries (including North America, Europe, Asia, Africa and South America).

The study found that the hours of sleep needed for good health varied significantly between different cultures.

For example, the average in Japan was 6 hours and 18 minutes, the country where people sleep the least, while in France it was 7 hours and 52 minutes, the country (among those considered) where people sleep the most.

Most countries (see table below), fall between 7 hours and 7 hours 30 minutes; Above this quota are, except for France, Belgium, the Netherlands, New Zealand, South Africa and the United Kingdom; Below 7 hours are, except for Japan, South Korea and Taiwan.

The Japanese sleep less, the French hold the record for sleep! (Country by

Health and cultural context

Next, the researchers asked whether sleeping less (in places where it is spoken) was, on average, associated with poorer health: “People who slept the amount of hours that were more consistent with their culture’s norms tended to have better overall health,” said Dr. Christine Ou, a professor at the University of Virginia School of Nursing and lead author of the study.

"This suggests that the ideal amount of sleep is what is considered appropriate in one's cultural context," she emphasized.

Therefore, research suggests that public health guidelines should be adapted to the cultural norms of different populations to promote better health outcomes.

The study is observational and not conclusive, but it does not contradict the fact that little sleep is harmful to health; in fact, the average hours of sleep in most of the countries examined (although they were very different from a cultural point of view), was (as written) between 7 hours and 7 hours and 30 minutes with only Japan under 6 and a half hours, therefore largely in line with current sleep hygiene guidelines.

How much sleep should you get at different ages?

The optimal amount of hours for health exists and it has to do with the minimum hours of sleep needed for the normal functioning of the body and mind. As expected, sleep is not the same for everyone, the differences are age, gender and subjective.

For most adults, good sleep is equivalent to 7/8 hours a night (although there are people who sleep short, those who wake up rested after 4/5 hours and it seems to be a genetic factor).

Sleep hours are different at different stages of life: newborns generally need a lot of sleep but wake up at all times, teenagers never want to go to bed, the elderly struggle to rest.

Sleep patterns change over time and gender is also important, with women tending to sleep less than their peers starting in adolescence, suffer from insomnia more often and dream less.


Në përputhje me standarded JTI

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