Impact of Work Schedules on Sleep Duration of Critical Care Nurses

Hirsch Allen, A. J.; Park, Julie E.; Adhami, Nassim; Sirounis, Demetrios; Tholin, Harriet; Dodek, Peter; Rogers, Ann E.; Ayas, Najib

doi:10.4037/ajcc2014876

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Patient Safety Issues| July 01 2014

Impact of Work Schedules on Sleep Duration of Critical Care Nurses

A. J. Hirsch Allen, MPH;

A. J. Hirsch Allen, MPH

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Julie E. Park, MSc;

Julie E. Park, MSc

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Nassim Adhami, RN;

Nassim Adhami, RN

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Demetrios Sirounis, MD;

Demetrios Sirounis, MD

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Harriet Tholin, RN, BSN;

Harriet Tholin, RN, BSN

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Peter Dodek, MD;

Peter Dodek, MD

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Ann E. Rogers, RN, PhD;

Ann E. Rogers, RN, PhD

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

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Najib Ayas, MD, MPH

A. J. Hirsch Allen is a doctoral student at the University of British Columbia, Vancouver, British Columbia. Julie E. Park is a statistician at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, Vancouver, British Columbia. Nassim Adhami is a nurse at St Paul’s Hospital. Demetrios Sirounis is a critical care physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Harriet Tholin is a patient services manager in the intensive care unit, Vancouver General Hospital, Vancouver, British Columbia. Peter Dodek is a professor at the Center for Health Evaluation and Outcomes Sciences, St Paul’s Hospital, and a physician in the Division of Critical Care Medicine, Providence Health Care and University of British Columbia. Ann E. Rogers is a professor at the Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia. Najib Ayas Najib Ayas is a staff member at Vancouver General Hospital and Providence Health Care, and an associate professor and head of the Division of Critical Care Medicine, University of British Columbia.

Corresponding author: Dr Najib Ayas, Associate Professor of Medicine, University of British Columbia, Room 224, St Paul’s Hospital, 1080 Burrard St, Vancouver, BC, V6Z 1Y6 (e-mail: [email protected]).

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Am J Crit Care (2014) 23 (4): 290–295.

https://doi.org/10.4037/ajcc2014876

Background

Sleep deprivation leads to reduced vigilance and potentially impairs work performance. Nurses may work long shifts that may contribute to sleep deprivation.

Objective

To assess how nurses’ sleep patterns are affected by work schedules and other factors.

Methods

Between October 2009 and June 2010, a total of 20 critical care nurses completed daily sleep and activity logs and a demographic survey and wore an actigraph to objectively measure sleep time for 14 days.

Results

In a multivariate model with controls for repeated measures, mean sleep time between consecutive work shifts was short: 6.79 hours between 2 day shifts and 5.68 hours between 2 night shifts (P = .01). Sleep time was much greater between days when no shifts were worked (8.53 hours), consistent with catch-up sleep during these times. Every minute of 1-way commuting time was associated with a reduction of sleep time by 0.84 minutes.

Conclusion

Critical care nurses obtain reduced amounts of sleep between consecutive work shifts, particularly between consecutive night shifts. Whether this degree of sleep deprivation adversely affects patients’ safety needs further study.

2014

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