Sleep quality during an overnight on-call program

Laura Cannon, Dina Ali, Sara E. Parli, Craig Martin, Aaron M. Cook

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose. Many institutions deploy pharmacy residents to expand clinical pharmacy services, often in the form of overnight, in-house on-call programs. There is little published evidence regarding pharmacy resident sleep and sleepiness after a night of overnight, in-house on-call activity. A prospective observational cohort study was conducted to determine the relationship between overnight, in-house on-call programs and pharmacy resident sleep and sleep quality. Methods. The cohort study included both postgraduate year 1 and postgraduate year 2 pharmacy residents. Each resident participated in 10 to 15 overnight on-call shifts. Sleep and sleep quality were assessed using devices worn on residents' wrists on the nights prior to, during, and after on-call shifts. Resident sleepiness was assessed via the Epworth Sleepiness Scale (ESS) during specified baseline and postcall periods. Univariate and multivariate analysis were used to assess the relationship between measurements of sleep, sleep quality, and sleepiness. Results. We enrolled a total of 23 residents in the study and recorded data on 269 on-call shifts. Frequently (42.6% of shifts) residents had no time to sleep during overnight on-call shifts. Among those who did have sleep time, the mean sleep time during an overnight, in-house on-call shift was 1.22 (SD, 1.56) hours. Additionally, ESS scores indicated a 2.4-fold increase in sleepiness on the morning after vs the morning before on-call shifts. Conclusion. Residents often did not sleep while on call. Sleep periods overnight were short and of poor quality. Predictably, residents reported increased sleepiness after an overnight on-call shift. Residents received an average of approximately 10 clinical consultation calls per overnight shift.

Original languageEnglish
Pages (from-to)1060-1065
Number of pages6
JournalAmerican Journal of Health-System Pharmacy
Volume77
Issue number13
DOIs
StatePublished - 2021

Bibliographical note

Funding Information:
The study was supported by the Clinical and Translational Science Awards Program (award UL1TR000117) of the National Institutes of Health. The authors have declared no potential conflicts of interest.

Publisher Copyright:
© American Society of Health-System Pharmacists 2020. All rights reserved. For permissions, please e-mail: journals. permissions@oup.com.

Keywords

  • Duty hours
  • Fatigue
  • On-call
  • Pharmacy
  • Residents
  • Sleep

ASJC Scopus subject areas

  • Pharmacy
  • Pharmacology
  • Health Policy

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