Sleepless workers in Tokyo
Japan – Office workers in Tokyo, the capital city of Japan, sleep fewer hours than their peers in New York, Paris, Shanghai and Stockholm every night.
Japanese employees go to bed at 12:18am on average, according to a study by Stanford University and Japanese food manufacturer Ajinomoto.
The study found that workers in Tokyo sleep at least 36 minutes lesser than New Yorkers and 54 minutes lesser than Parisians.
That weighs up an average around six hours of sleep each night, or 14% less than the recommended minimum.
The US National Sleep Foundation recommends an average adult to get seven to nine hours of sleep a night.
Only 23% of Japanese have more than seven hours of sleep. Japanese workers attributed their sleep trouble to work and personal stress, outdoor noise and the weather, among other reasons.
Makoto Bannai, a senior researcher at Ajinomoto, which sponsored the study, said most Japanese are “sleep-deprived”. “They need to know better sleep can bring more efficiency to daily activities.”
The study was presented at a meeting of the World Sleep Federation in Japan last week along with other research that highlighted sleep deprivation among Japanese. A separate study presented at the forum found an “extremely serious” lack of sleep among middle-school students in Japan.
The study surveyed 180 men and women aged 30 to 60 years from each of the five cities.
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