University volunteers: Sleep quality matters (1/2)
2015-03-19 11:21
Ecns.cn
Web Editor:Yao Lan
Volunteers at the School of Nursing, University of South China, lie on the ground during an event to mark World Sleep Day in Hengyang, Central China’s Hunan province, March 18, 2015. Students organized the event to call attention to the health benefits of good sleep. (Photo: China News Service/Cao Zhengping)