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Researchers at Brigham and Women's Hospital (BWH) hosted 21 healthy participants in a completely controlled environment for nearly six weeks. The researchers controlled how many hours of sleep participants got, as well as when they slept, and other factors such as activities and diet. Participants started with getting optimal sleep (approximately 10 hours per night). This was followed by three weeks of 5.6 hours of sleep per 24-hour period and with sleep occurring at all times of day and night, thereby simulating the schedule of rotating shift workers.

The draft also outlines the principles for insurance companies handling agricultural insurance and the rules for operations in accordance with risk analyses, business actions and business results.

The new units are designed, built and operated by Chinese companies, said Chen Hua, assistant general manager of CNNC.

The National Library of China and Shanghai Jiao Tong University on Saturday signed an agreement on setting up the center by combining the library's abundant archives and the university's excellence in researching history, laws and international relations.

He spoke highly of the development of bilateral relations, citing frequent high-level visits, strengthened mutual political trust and fruitful substantial cooperation as some of the achievements made in the area.