Power-napping in Japan

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At work, do you get drowsy during the daytime? graph of japanese statisticsI’m sure most of us who have worked in Japan have experienced a colleague sleeping during meetings, so to try to put some concrete numbers on the phenomenon iShare conducted a survey into sleeping at work.

Demographics

Between the 28th of April and the 7th of May 2009 405 members of the CLUB BBQ free email forwarding service completed a private mobile-phone internet-based questionnaire. 54.3% of the sample were male, 32.3% in their twenties, 32.6% in their thirties, and 35.1% in their forties.

Power-napping, catching 15 minutes of forty winks during lunch break, does have definite benefits, and indeed napping salons have started popping up recently, although I do suspect that due to the short night-time sleep hours the Japanese power-nap is more of a necessity than a lifestyle choice.

I don’t power-nap as I use lunch as an opportunity to prepare articles for WJT, but I keep thinking I should. However, my desk is not sleep-friendly and we don’t have any relaxation space in the office.

Research results

Q1: Are you currenly in employment? (Sample size=405)

 AllMale
N=220
Female
N=185
Yes69.9%72.3%67.0%
No (to end of survey)30.1%27.7%33.0%

Note that the percentage of employed women (and indeed unemployed men) is surprisingly high.

Q2: At work, do you get drowsy during the daytime? (Sample size=283)

 AllMale
N=159
Female
N=124
Frequently (to SQ)37.8%35.8%40.3%
Sometimes (to SQ)58.3%61.6%54.0%
Almost never3.9%2.5%5.6%

Q2SQ: Have you ever inadvertently nodded off at your workplace? (Sample size=272)

 AllMale
N=155
Female
N=117
Yes45.2%46.5%43.6%
No54.8%53.5%56.4%

Those who only occasionally got drowsy were more likely to have experienced nodding off in the office.

Q3: During work hours, do you have a nap at lunchtime, etc? (Sample size=283)

 AllMale
N=159
Female
N=124
Frequently (to SQ1 and SQ2)13.8%21.4%4.0%
Only when I feel sleepy (to SQ1 and SQ2)47.0%48.4%45.2%
Never (to SQ3)39.2%30.2%50.8%

Q3SQ1: Where have you taken naps? (Sample size=172, multiple answer)

 AllMale
N=111
Female
N=61
At my desk75.0%77.5%70.5%
In an empty meeting room, etc16.9%20.7%9.8%
In a break room15.1%10.8%23.0%
In dining hall, other eating space9.9%7.2%14.8%
On a park bench3.5%4.5%1.6%
At an empty desk2.9%1.8%4.9%
On a bench at work2.3%2.7%1.6%
In a food store1.7%1.8%1.6%
At an internet cafe1.7%1.8%1.6%
In a napping salon1.2%0.9%1.6%
Other11.0%8.1%16.4%

Q3SQ2: Do you think napping is effective? Eg, removes tiredness, clears head, enable you to work better. (Sample size=172)

 AllMale
N=111
Female
N=61
Very effective35.5%36.0%34.4%
A little effective59.3%58.6%60.7%
Not effective5.2%5.4%4.9%

Q3SQ3: If it were possible, would you like to take naps? (Sample size=111, multiple answer)

 AllMale
N=48
Female
N=63
Want to29.7%29.2%30.2%
Perhaps want to26.1%27.1%25.4%
Don’t want to44.1%43.8%44.4%

Q4: What do you think about napping at work during lunchbreak, etc? (Sample size=283)

 AllMale
N=159
Female
N=124
Agree40.3%42.8%37.1%
Perhaps agree45.6%42.8%49.2%
Perhaps disagree11.7%12.6%10.5%
Disagree2.5%1.9%3.2%
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