Welcome to this edition of ShanghaiLive, I’m Aixinjueluo Bei/ICS NEWS Anchor. 欢迎收听今天的《直播上海》,我是爱新觉罗·贝/ ICS主播 Sunday is the annual World Sleep Day. This year, China's theme of the Day is “Strong Immunity Stems from Quality Sleep”. During the coronavirus pandemic Chinese people on average went to bed 2 to 3 hours later last year, according to a report released by the Chinese Sleep Research Society【中国睡眠研究会】. Earlier, I spoke to Grace Chen, founder and CEO of two sleep clinics in the United States and China, to find out why it's so vital to have a good night 's sleep.