Anonymous (1985) Some problems with benzodiazepines. Drug and Therapeutics Bulletin, 23, 21–23.
Berlin, R. M. (1984) Sleep disorders on a psychiatric consultation service. American Journal of Psychiatry, 141, 582–584.
Bixler, E. O., Kales, A. & Soldatos, C. R. (1979) Sleep disorders encountered in a medical practice: a national survey of physicians. Behavioural Medicine, 6, 1–6.
Espie, C. M. (1993) Practical management of insomnia; behavioural and cognitive techniques. British Medical Journal, 306, 509–511.
Morin, C. M., Culbert, J. P. & Schwartz, S. M. (1994) Nonpharmacological interventions for insomnia: a meta-analysis of treatment efficacy. American Journal of Psychiatry, 151, 1172–1180.
Shapiro, C. M. & Dement, W. C. (1993) Impact and epidemiology of sleep disorders. British Medical Journal
Silverstone, T. & Muijen, M. (1987) Comparative hospital survey of psychotropic drug prescribing. British Journal of Psychiatry, 150, 501–504.