According to the data of the World Health Organization, 27% people have sleep problems. In order to arouse people's awareness of the importance of sleep, the Global Sleep and Health Program initiated by the International Mental Health Organization launched a global activity in 20001year-the first day of spring on March 2 1 year was designated as "World Sleep Day".
Objective According to the market survey in six cities in China, the prevalence of insomnia among adults is as high as 57% within one year. The results of the "Investigation on the Sleep Status of Doctors in Various Subjects" jointly conducted by Psychiatric Branch of Chinese Medical Association and Sanofi-Aventis showed that 19 14 doctors in 30 hospitals in China had sleep disorders in 2002. In 2003, China Sleep Research Association officially introduced "World Sleep Day" to China.