Sleeping on the job

An employee takes a nap in a nap pod which blocks out light and sound at the Google headquarters in Mountain View, California March 3, 2008. REUTERS/Erin Siegal

Delegates doze during the opening of the National People's Congress in Beijing March 5, 2007. REUTERS/Claro Cortes IV

A worker sleeps on tangerines in a market in the northeastern Indian city of Siliguri December 23, 2005. REUTERS/Rupak De Chowdhuri

Indian labourers sleep on pushcarts in the eastern Indian city of Kolkata August 20, 2008. REUTERS/Jayanta Shaw

A Chinese worker snoozes amidst bottled drinking water aboard a delivery truck in Shanghai August 14, 200. REUTERS/Claro Cortes IV

A vendor sleeps atop his boxes of fruit at an outdoor market in Beijing January 21, 2009. REUTERS/David Gray

Delegates sleep during a session of the National People's Congress, or parliament, at the Great Hall of the People in Beijing March 11, 2003. REUTERS/Wilson Chu

Nuns from various Christian churches take a nap during a pro-democracy forum in Manila March 1, 2006, against imposition of the state of emergency. REUTERS/Bobby Yip

A construction worker sleeps near a construction site in Beijing, April 23, 2006. REUTERS/Claro Cortes IV

A worker sleeps on steel pipes at a steel pipes market in Mumbai January 12, 2009. REUTERS/Punit Paranjpe

A railway employee takes a nap at a railway station in Jammu February 26, 2008. REUTERS/Amit Gupta

A woman sleeps at her roadside stall outside the Taipei Train Station March 23, 2009. REUTERS/Nicky Loh

Delegates sleep as China's Supreme People's Court President Xiao Yang delivers a work report during the third plenary session of China's parliament, the National People's Congress, at the Great Hall of the People in Beijing March 10, 2008. ...more

A California Department of Forestry firefighter catches some sleep aboard his fire vehicle near Lake Arrowhead, California, October 31, 2003. REUTERS/Robert Galbraith

A farmer takes a nap at a livestock market in Kathmandu October 15, 2007. REUTERS/Gopal Chitrakar

A boy yawns as he waits for customers at his roadside apple stall in Kabul August 6, 2008. REUTERS/Adnan Abidi

Painters rest on a rooftop in Jinan, Shandong province, December 4, 2007. REUTERS/Stringer

Indonesian street vendor Sarkawi Masud sleeps beside his toy trumpet stall in Jakarta in the early hours of December 15, 2000. REUTERS/Beawiharta

Exhausted soldiers take a nap during a break in the rescue mission beside the ruins of collapsed buildings in the earthquake-hit Hanwang town of Mianzhu, Sichuan province, May 16, 2008. REUTERS/China Daily

A trader takes a break inside the trading floor of the Philippine Stock Exchange in Makati's financial district of Manila October 30, 2008. REUTERS/John Javellana

A businessman takes a nap on a bench in Tokyo June 8, 2007. REUTERS/Toru Hanai

A worker naps on the railway at the construction site of Wuhan North Railway Marshalling Station in Wuhan, Hubei province April 1, 2009. REUTERS/Stringer

A man sleeps after monitoring stock market prices on computer monitors inside a securities company in Taipei January 15, 2009. REUTERS/Nicky Loh