A study of 50,000 individuals across 20 countries reveals significant differences in average sleep durations. France tops the list, averaging 7 hours and 52 minutes of sleep, while Japan ranks last with only 6 hours and 17 minutes. This 40-hour monthly sleep deficit raises questions about health, but researchers found no correlation between less sleep and poorer health outcomes. Senior author Professor Steven Heine stresses the importance of recognizing that sleep needs differ internationally, with European and Australian nations generally reporting longer sleep hours than those in Asia.
The study of 50,000 people shows that sleep duration varies around the world, with countries like France enjoying the most rest, averaging 7 hours 52 minutes.
While missing sleep can lead to health issues, countries with lower averages, like Japan, were not reported as less healthy, suggesting sleep needs differ significantly.
Senior author Professor Steven Heine emphasizes that there isn't a universal sleep benchmark, noting that citizens in European and Australian countries generally report better rest.
The findings highlight a stark difference in sleep patterns, especially between Western and Asian nations, with countries like Japan averaging significantly less sleep per night.
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