1. Mooallem J. The sleep-industrial complex. NY Times Magazine November 18, 2007.
2. Prevalence of insomnia: a survey of the enrollees at five managed care organizations;Hatoum;Am J Managed Care,1998
3. Prevalence, burden, and treatment of insomnia in primary care;Simon;Am J Psychiatry,1997
4. 1998 Omnibus Sleep in America Poll;National Sleep Foundation,1998
5. Epidemiology of alcohol and medication as aids to sleep in early adulthood;Johnson;Sleep,1998