#研究分享#【哪些城市睡眠最少?】

#研究分享#【哪些城市睡眠最少?】通过对万名智能腕带使用者研究发现:1.大城市人们睡眠时间普遍不足:墨尔本、伦敦、巴黎等城市最多,但平均才7小时,而东京、首尔等不足6小时;2.不同城市有不同的生活方式:纽约人工作日睡得晚起得早运动少、周末睡懒觉运动多;而北京人周末和工作日的睡眠区别不明显、运动都较少。

Which Cities Get the Most Sleep?

People in Melbourne sleep the most, people in Tokyo sleep the least, and Americans just need more sleep overall.

Those are some of the findings from a vast new dataset released to The Wall Street Journal by Jawbone, the makers of the UP, a digitized wristband that tracks how its users move and sleep.

The data tracks hundreds of thousands of UP users from Beijing to Orlando and gives an interesting glimpse into sleeping patterns, at least for those people who can afford to spend up to $150 for the gadget.

Since it isn"t a representative sample, it should be considered a reflection of how UP users sleep rather than the general population. Computerized wristbands have plenty of critics who say the technology can be unreliable. Jawbone also relies on users clicking a button to indicate when they fall asleep and wake up, which can’t match the reliability of smaller lab studies that use electrodes.

But with all that in mind, we can still compare UP users to each other and discover some interesting trends.

So what can we learn?

Different Cities, Different Lifestyles

Focusing on just one month (June 2013), we can see a stark difference in how people sleep and move. Users in metropolitan areas like New York have a grid-like routine: they get up early on weekdays, move a little during the day, and sleep in more on weekends. They also go to bed later each weekday and go to sleep earliest on Sundays. When you combine data on how many steps they take each day, the trend is even starker. Contrast that graph with users in Orlando or Beijing, where there’s a less distinction between how users sleep on weekends and weekdays.

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Melbourne Gets the Most Sleep, But No One"s Getting Enough

Users in Melbourne, Australia got the most sleep on the list with an average of 7 hours and 5 minutes per night, followed by a mix of cities in Europe and the U.S. While these cities got the most sleep overall, almost all cities on the list got less than the 7 hours recommended by the Centers for Disease Control. In their own study of American sleep patterns, the CDC found the 35.3% got fewer than 7 hours.

At the bottom of the list was Tokyo, Japan, where users slept for just 5 hours and 46 minutes per night on average. Among American cities in the dataset, users in San Antonio, Texas, got the least amount of sleep with just 6 hours 40 minutes per night.

MOST HOURS OF SLEEP BY CITY
Place Hours of Sleep
Melbourne, Australia 7:05
London, United Kingdom 7:02
Denver, Colorado 7:02
Brisbane, Australia 7:00
Paris, France 7:00
LEAST HOURS OF SLEEP BY CITY
Place Hours of Sleep
Tokyo, Japan 5:46
Seoul, South Korea 5:55
Dubai, United Arab Emirates 6:32
Singapore, Singapore 6:32
Mexico City, Mexico 6:32

A Year in New York

In a massive yearlong plot of the dataset, one day stands out in a remarkable way: New Year’s Day. In New York, half of UP users were still awake at 2 a.m., which is incredible when you consider around 90% of users are typically asleep at that time. By 11 a.m. on New Year’s Day, almost a quarter of all users are still in bed. Compare that to a normal day, when only 5% are still asleep. The same change can be seen in Beijing on the Chinese New Year at the end of January.

 Each line of the graphic shows one 24-hour day beginning at 12 a.m. An earlier version of this interactive incorrectly provided data for one hour later for all times after 12 p.m. when users hovered on the graphic. This version has been corrected. (Aug. 15, 2014)
文章来源:WSJ
文章链接:http://graphics.wsj.com/how-we-sleep/?ncid=txtlnkusaolp00000595

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