Chongqing Residents Mark World Sleep Day

Five women wear masks of "sleepy face" to celebrate World Sleep Day in Southwest China's Chongqing, March 19, 2016.

The Chinese character "sleep" is formed in a parking lot in Southwest China's Chongqing, March 19, 2016.

A number of 200 people form the Chinese Character "sleep" on the ground with their bodies to celebrate World Sleep Day in Southwest China's Chongqing, March 19, 2016.

A number of 200 people form the Chinese Character "sleep" on the ground with their bodies to celebrate World Sleep Day in Southwest China's Chongqing, March 19, 2016.

A vendor stands beside a poster with the Chinese character reading "Eating bread and steamed bread before sleep helps you sleep" to celebrate World Sleep Day in Southwest China's Chongqing, March 19, 2016.

A number of 200 people form the Chinese Character "sleep" on the ground with their bodies to celebrate World Sleep Day in Southwest China's Chongqing, March 19, 2016. World Sleep Day that falls on March 21 is an annual event, intended to be a celebration of sleep and a call to action on important issues related to sleep, including medicine, education, social aspects and driving.

Credit: China Daily