8National institute of mental health, consensus development conference on drug and insomnia. The use of medications to promote sleep[J]. JAMA,1984, 254(18): 2410.
9Partinen M, Putkone P T S, Kaprio J, et al. Sleep disorders in relation to coronary heart disease[J]. Acta Med Scand, 1982, 660(suppt): 69.
10Kripke D F, Simons B N, Garfinkel L,et al. short and long sleep and sleep pills: is mortality associated ? [J]. Arch Gen Psychiatry, 1979, 36(1):103.
