Status:

RECRUITING

Role of Sleep Reactivity in Shift Work Disorder

Lead Sponsor:

Henry Ford Health System

Collaborating Sponsors:

National Heart, Lung, and Blood Institute (NHLBI)

Conditions:

Shift-work Disorder

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

The purpose of this project is to test sleep reactivity as an independent cause of Shift Work Disorder (SWD). The primary hypothesis is that those with high sleep reactivity will show persistent SWD s...

Detailed Description

The first aim of this study is to establish sleep reactivity as a predictor of insomnia in SWD independent from circadian misalignment. The second aim of this study is to establish sleep reactivity as...

Eligibility Criteria

Inclusion

  • Participants must be working a fixed nightshift schedule, operationalized as: a) working at least three night shifts a week, b) shifts must begin between 18:00 and 02:00, and last between 8 to 12 hours, and c) must also plan to maintain the nightshift schedule for the duration of the study
  • Participants must have Shift Work Disorder, which will be diagnosed based on ICSD-3 criteria
  • Participants must show circadian misalignment, operationalized as a baseline melatonin onset between 18:00 and 01:00.
  • Participants must be at least 18 years old

Exclusion

  • Insomnia disorder or excessive sleepiness predating the onset of shift work
  • Termination of nightshift schedule
  • Presence of other sleep disorders (e.g. obstructive sleep apnea, narcolepsy) determined by standard clinical polysomnography
  • Diagnosis of bipolar disorder
  • History of neurological disorders determined by self-report and medical history
  • Pregnancy
  • Alcohol use disorder
  • Illicit drug use via self-report and urine drug screen if reasonable suspicion to test

Key Trial Info

Start Date :

January 1 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

October 1 2027

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT05424406

Start Date

January 1 2023

End Date

October 1 2027

Last Update

October 14 2025

Active Locations (1)

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1

Henry Ford Columbus Medical Center

Novi, Michigan, United States, 48377