据WHO的资料显示,全球有将近1/4的人受到失眠困扰。美国睡眠基金会在2007年的调查显示,65%左右的美国人有失眠症状。在欧洲,有37%的人受到失眠症的困扰。2007年,中国城市失眠者为45%左右。我们使用安眠药的时间已有半个多世纪,现在市场上的安眠药品已达上千种。 According to WHO data, nearly a quarter of the world’s people suffer from insomnia. A survey by the American Sleep Foundation in 2007 showed that about 65% of Americans have insomnia symptoms. In Europe, 37% of people suffer from insomnia. In 2007, Chinese city insomnia was about 45%. We have been using sleeping pills for more than half a century, and thousands of sleeping pills are now on the market.