Critical Incident Exposure and Sleep Quality in Police Officers
Thomas C. Neylan, MD,
Thomas J. Metzler, MA,
Suzanne R. Best, PhD,
Daniel S. Weiss, PhD,
Jeffrey A. Fagan, PhD,
Akiva Liberman, PhD,
Cynthia Rogers, BA,
Kumar Vedantham, MD,
Alain Brunet, PhD,
Tami L. Lipsey, BA and
Charles R. Marmar, MD
From the Department of Psychiatry (T.C.N., T.J.M., S.R.B., D.S.W., C.R., K.V., A.B., T.L.L.), University of California, San Francisco; and Columbia University School of Public Health (J.A.F., K.L.), New York, NY.

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Fig. 1. Frequency distribution of global PSQI score in police and control subjects who work variable shifts.
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Fig. 2. Frequency distribution of global PSQI score in police and control subjects who work a stable day shift.
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Copyright © 2002 by the American Psychosomatic Society