20% Need Booze, Drugs to Sleep
One in five adults in Japan depends on alcohol and drugs to fall asleep, a national health survey carried out by the health ministry in 2007 showed Thursday. By sex, the breakdown was 22.2 percent for males, up 2.3 points from 2003, and 17.4 percent for females, up 1.7 points, the survey said, without providing the total number polled.