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  • Print publication year: 2009
  • Online publication date: August 2010

Preface

References

Ancoli-IsraelS, RothT. Characteristics of insomnia in the United States: Results of the 1991 National Sleep Foundation survey. Sleep 1999;22:S347–53.
FoleyDJ, et al. Sleep complaints among elderly persons: an epidemiologic study of three communities. Sleep 1995;18(6):425–32.
FoleyDJ, et al. Incidence and remission of insomnia among elderly adults: an epidemiologic study of 6,800 persons over three years. Sleep 1999;22(Suppl. 2):S366–72.