A worker naps on the railway at the construction site of Wuhan North Railway Marshalling Station in Wuhan, Hubei province April 1, 2009. China's promise to launch another fiscal stimulus package if it needs to could be the very thing that will make such a move unnecessary.

Paramilitary policemen sleep at a platform of the Guangzhou railway station February 12, 2008. China is expected to see railway traffic peak on Tuesday, the last day of Spring Festival, as the Lunar New Year holiday is known, when millions head back to work from their villages. "Post-Spring Festival railway traffic peak saw more than 5 million passengers in one day last year and we expect more in 2008," Xinhua news agency quoted the Railways Ministry as saying.

A vendor selling Chinese watermelons takes a nap at a wholesale market in Huaibei, Anhui province March 11, 2010.

Migrant workers nap inside cement pipes at a construction site in Xiangfan, Hubei province July 24, 2009. China will hold off from changing property market policies for now, although it sees some signs of an asset bubble in a recent surge in house prices, an official newspaper reported on Friday.

Investors sleep in front of an electronic board showing stock information at a brokerage house in Taiyuan, in Shanxi province June 30, 2010. China's key stock index fell 1.2 percent on Wednesday to a fresh 14-month closing low and posted its biggest quarterly loss in more than two years, with investor confidence shaken after a slump driven by tight market liquidity as a major IPO loomed.

A driver takes a nap on a road roller near a construction site in Beijing June 4, 2009.

A vendor naps on bags of pumpkins at a market in Tianjin municipality October 20, 2008. China's gross domestic product growth slowed to 9.9 percent in the first nine months of 2008 from 10.4 percent in the first half of the year, the National Bureau of Statistics (NBS) said on Monday.

A traveller sleeps while waiting for his train at the Beijing Railway Station April 30, 2006 on the eve of Labour Day holiday. China is celebrating a week-long Labour Day holidays, which start on May 1, a time when millions of Chinese travel to major cities to enjoy cultural attractions or return home to visit relatives and friends.

A man sleeps next to chickens he will sell at a poultry market in Shanghai January 8, 2009. Chinese health authorities closed poultry markets for disinfecting in a province surrounding Beijing on Wednesday after a woman died of bird flu, the first such death in the country in almost a year.

A labourer takes a nap on reinforcement bars at a construction site in Qingdao, Shandong province March 5, 2008. Chinese Premier Wen Jiabao warned on Wednesday that overheating remains his nation's top economic foe even as global growth softens, vowing a tough fight against price rises and feverish investment. Picture taken March 5, 2008.