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".

Extended information The "Extra Sleep Hour on World Sleep Day" initiated by the International Sleep Microenvironment Medical Research Cooperation Organization is one of the global public welfare activities with the theme of healthy sleep during World Sleep Day every year, which mainly appeals to people around the world to pay attention to healthy sleep by symbolically sleeping 1 hour on World Sleep Day.

The activity of sleeping for an extra hour originated from the Singapore Sleep Association. The annual "Sleep Awareness Week" held on World Sleep Day generally includes seminars, lectures and visits to sleep laboratories, and a website is set up to provide relevant medical information. Facebook also launched the activity of "Sleep 1 hour".

References:

Baidu Encyclopedia-World Sleep Day