Chronic Insomnia and Immune Functioning
Josée Savard, PhD,
Liny Laroche, MPs,
Sébastien Simard, MPs,
Hans Ivers, MPs and
Charles M. Morin, PhD
From the School of Psychology (J.S., L.L., S.S., H.I., C.M.M.), Université Laval, Sainte-Foy, Québec, Canada; and Laval University Cancer Research Center (J.S., L.L., S.S., H.I.), Québec, Québec, Canada.

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Fig. 1. Time course of study procedures. HBQ = Health Behaviors Questionnaire; IIS = Insomnia Interview Schedule; ISI-C = Insomnia Severity Index, clinician version; ISI-P = Insomnia Severity Index, patient version; PSG = polysomnography; SCID = Structured Clinical Interview for DSM-IV; SD = sleep diary.
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Copyright © 2003 by the American Psychosomatic Society