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Journal of General Internal Medicine

, Volume 33, Issue 6, pp 825–830 | Cite as

So Tired: Predictive Utility of Baseline Sleep Screening in a Longitudinal Observational Survey Cohort of First-Year Residents

  • Jonathan P. Zebrowski
  • Samantha J. Pulliam
  • John W. Denninger
  • Lori R. Berkowitz
Original Research

Abstract

Background

Sleep impairment is highly prevalent among resident physicians and is associated with both adverse patient outcomes and poor resident mental and physical health. Risk factors for sleep problems during residency are less clear, and no screening model exists to identify residents at risk for sleep impairment.

Objective

The objective of this study was to assess change in resident sleep during training and to evaluate utility of baseline sleep screening in predicting future sleep impairment.

Design

This is a prospective observational repeated-measures survey study.

Participants

The participants comprised PGY-1 residents across multiple specialties at Partners HealthCare hospitals.

Main Measures

Main measures used for this study were demographic queries and two validated scales: the Pittsburgh Sleep Quality Index (PSQI), measuring sleep quality, and the Epworth Sleepiness Scale (ESS), measuring excessive daytime sleepiness.

Key Results

Two hundred eighty-one PGY-1 residents completed surveys at residency orientation, and 153 (54%) completed matched surveys 9 months later. Mean nightly sleep time decreased from 7.6 to 6.5 hours (p < 0.001). Mean PSQI score increased from 3.6 to 5.2 (p < 0.001), and mean ESS score increased from 7.2 to 10.4 (p < 0.001). The proportion of residents exceeding the scales’ clinical cutoffs increased over time from 15 to 40% on the PSQI (p < 0.001) and from 26 to 59% on the ESS (p < 0.001). Baseline normal sleep was not protective: 68% of residents with normal scores on both scales at baseline exceeded the clinical cutoff on at least one scale at follow-up. Greater age and fewer children increased follow-up PSQI score (p < 0.001) but not ESS score.

Conclusions

During PGY-1 training, residents experience worsening sleep duration, quality of sleep, and daytime sleepiness. Residents with baseline impaired sleep tend to remain impaired. Moreover, many residents with baseline normal sleep experience sleep deterioration over time. Sleep screening at residency orientation may identify some, but not all, residents who will experience sleep impairment during training.

KEY WORDS

medical education—graduate physician behavior sleep disorders self-care hospital administration 

Notes

Contributors

All authors have made substantial contributions to the work described, including study design and manuscript writing. All authors attest to the validity of the data and conclusions. There are no other contributors.

Funding Information

This study was funded by the Department of Obstetrics, Gynecology, and Reproductive Biology at Massachusetts General Hospital.

Compliance with Ethical Standards

Prior Presentations

Poster Session, Harvard Psychiatry Research Day, Harvard Medical School, Boston, MA, April 12, 2017

Poster Session, MGH Clinical Research Day, Massachusetts General Hospital, Boston, MA, October 5, 2017

Conflict of Interest

Dr. Denninger has received support for investigator-initiated studies from Onyx/Amgen and Basis/Intel. All remaining authors declare that they do not have a conflict of interest.

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Copyright information

© Society of General Internal Medicine 2018

Authors and Affiliations

  • Jonathan P. Zebrowski
    • 1
    • 2
    • 3
  • Samantha J. Pulliam
    • 4
  • John W. Denninger
    • 1
    • 3
    • 5
  • Lori R. Berkowitz
    • 3
    • 6
    • 7
  1. 1.Department of Psychiatry Massachusetts General HospitalBostonUSA
  2. 2.McLean HospitalBelmontUSA
  3. 3.Harvard Medical SchoolBostonUSA
  4. 4.Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Obstetrics and GynecologyUniversity of North Carolina at Chapel HillChapel HillUSA
  5. 5.Benson-Henry Institute for Mind Body MedicineMassachusetts General HospitalBostonUSA
  6. 6.Department of Obstetrics, Gynecology, and Reproductive BiologyMassachusetts General HospitalBostonUSA
  7. 7.Office of Graduate Medical EducationPartners HealthcareBostonUSA

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