摘要
<正>While one in five people in China have symptoms of a sleep disorder, only one in ten who exercise regularly report problems sleeping, according to a study of the Chinese Sleep Research Society.中国睡眠研究会的一项研究发现,中国有五分之一的人有睡眠障碍,而定期运动的人群失眠困扰比例仅为10%。