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A Cross-Sectional Pilot Study of Occupational Burnout, Perceived Sleep Quality, and Mental Health Symptoms Among U.S. Healthcare Workers

This cross-sectional pilot study of 200 U.S. healthcare workers found that occupational burnout is significantly associated with elevated anxiety, depression, and PTSD symptoms, with perceived sleep quality acting as a moderator that specifically influences the relationship between burnout and depressive symptoms at low to moderate burnout levels.

Original authors: Tourna N. Khan, Sylvia A. Okon, Benjamin M. Combs, Alex Kim, Rachel A. Hoopsick

Published 2026-07-07

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CC BY 4.0

Original authors: Tourna N. Khan, Sylvia A. Okon, Benjamin M. Combs, Alex Kim, Rachel A. Hoopsick

Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). ✨ This is an AI-generated explanation of the paper below. It is not written or endorsed by the authors. For technical accuracy, refer to the original paper. Read full disclaimer

The Big Picture: The "Tired Worker" Study

Imagine healthcare workers as marathon runners. They are constantly running a race that never seems to end, facing high demands, emotional heavy lifting, and long hours. This study looked at what happens when these runners get "burned out" (exhausted and checked out) and how their sleep acts as their recovery pit stop.

The researchers wanted to know two things:

Does being burned out make healthcare workers feel more anxious, depressed, or traumatized?
Does getting good sleep act like a shield, protecting them from those bad feelings?

The Setup: Who and How?

The Runners: The study surveyed 200 healthcare workers in the U.S. in March 2022. This wasn't just doctors and nurses; it included everyone from housekeeping staff and dietary aides to administrators and physicians. Think of it as a "team photo" of the whole hospital, not just the star players.
The Tools: They asked these workers to fill out surveys about:
- How burned out they felt (The "Oldenburg Burnout Inventory").
- How well they thought they slept (The "Pittsburgh Sleep Quality Index").
- How much anxiety, depression, or PTSD (post-traumatic stress) they were feeling.

What They Found: The Results

1. The "Burnout" Battery is Low
The study found that mental health struggles were very common.

Anxiety: About 6 out of 10 workers felt moderate to severe anxiety.
Depression: About 3 out of 10 felt moderate to severe depression.
PTSD: About 2 out of 10 showed signs of probable PTSD.
The Link: The more burned out a worker felt, the higher their levels of anxiety, depression, and PTSD symptoms were. It's like a car with a flat tire; the more the tire is flat (burnout), the harder it is to drive (mental health suffers).

2. The Sleep "Shield" (The Surprising Twist)
This is where the study got interesting. The researchers tested if good sleep could act like a shield to protect workers from the effects of burnout.

For Anxiety and PTSD: The shield didn't work. Whether a worker slept well or poorly, if they were burned out, their anxiety and PTSD symptoms stayed high. Sleep didn't change the relationship there.
For Depression: The shield did work, but only up to a point.
- Low to Moderate Burnout: If a worker was feeling a little tired or stressed but still had good sleep, their depression symptoms were lower. Good sleep acted like a buffer, keeping them from sliding into deep sadness.
- High Burnout: However, if a worker was severely burned out, the sleep shield broke. Even if they slept perfectly, their depression symptoms were just as high as those who slept poorly.

The Analogy: Imagine burnout is a heavy rainstorm.

If the rain is light (low burnout), a good umbrella (good sleep) keeps you dry and happy.
But if the rain is a hurricane (severe burnout), no umbrella is big enough to keep you dry. You get soaked regardless of how good your umbrella is.

What the Researchers Conclude

The study suggests that while sleep is important, it isn't a magic cure-all.

Sleep helps when the stress is manageable. It helps workers recover and keeps depression at bay.
But when the job stress is too high (severe burnout), sleep alone cannot fix the mental health damage. The "storm" is just too strong.

The authors conclude that to help healthcare workers, we can't just tell them to "sleep better." We also need to fix the things causing the burnout in the first place (like staffing shortages and heavy workloads). You can't just give someone a better umbrella if the storm is a hurricane; you need to find a way to stop the rain.

Important Limitations (The "Fine Print")

The researchers were careful to note a few things:

Snapshot in Time: This study was a "cross-sectional" survey, meaning it was a single photo taken in March 2022. It doesn't show what happened before or after. We don't know for sure if burnout caused the bad sleep, or if bad sleep caused the burnout (though they likely feed into each other like a cycle).
Self-Reported: Everyone answered their own questions. Sometimes people think they slept well when they didn't, or vice versa.
Small Group: This was a "pilot study" with only 200 people. It's a good start, but they need to study more people to be 100% sure about the patterns they found.

In short: Burnout hurts mental health. Sleep helps a little bit, but only when the burnout isn't too severe. To truly help, we need to address both the sleep and the stressful work conditions.

Technical Summary: A Cross-Sectional Pilot Study of Occupational Burnout, Perceived Sleep Quality, and Mental Health Symptoms Among U.S. Healthcare Workers

Problem Statement
Occupational burnout among healthcare workers has emerged as a critical public health concern, exacerbated by the COVID-19 pandemic. Burnout, characterized by exhaustion and disengagement, is linked to adverse mental health outcomes including anxiety, depression, and post-traumatic stress disorder (PTSD). While sleep is recognized as a vital mechanism for psychological recovery and emotion regulation, existing literature has not sufficiently explored whether perceived sleep quality modifies the relationship between occupational burnout and mental health symptomatology. Furthermore, prior research has predominantly focused on physicians and nurses, leaving a gap in understanding these dynamics across a diverse spectrum of healthcare roles, including support staff and allied health professionals.

Methodology
This study employed a cross-sectional pilot design to examine associations among occupational burnout, perceived sleep quality, and mental health symptoms in a diverse sample of U.S. healthcare workers ( $N=200$ ). Data were collected via an online survey in March 2022.

Participants: The sample included workers from various settings (hospitals, clinics, nursing facilities, home health) and roles (nursing assistants, dietary aides, administrators, prescribers, etc.). Participants were required to be at least 18 years old and employed in U.S. healthcare.
Measures:
- Burnout: Assessed using the Oldenburg Burnout Inventory (OLBI), a 16-item scale measuring exhaustion and disengagement (Cronbach's $\alpha = 0.86$ ).
- Perceived Sleep Quality: Measured using the perceived sleep quality component of the Pittsburgh Sleep Quality Index (PSQI), ranging from 0 (very good) to 3 (very bad).
- Mental Health Outcomes:
  - Anxiety: Severity Measure for Generalized Anxiety Disorder (GAD-10).
  - Depression: Patient Health Questionnaire-9 (PHQ-9).
  - PTSD: PTSD Checklist for DSM-5 (PCL-5).
Statistical Analysis: Negative binomial regression models were utilized to estimate associations between burnout and each mental health outcome, accounting for the overdispersion of count data. Models were adjusted for gender identity and occupational level (prescriber/administrator vs. other). Interaction terms between burnout and perceived sleep quality were tested to assess moderation effects.

Key Results

Prevalence: Mental health symptomatology was highly prevalent. 59.5% of participants reported moderate or worse anxiety, 29.5% reported moderate or worse depressive symptoms, and 22.5% met criteria for probable PTSD. The mean perceived sleep quality score was 1.1 (SD = 0.8).
Main Effects: Greater occupational burnout was significantly associated with higher levels of anxiety, depression, and PTSD symptomatology. These associations persisted after adjusting for gender and occupational level (e.g., for depression, adjusted rate ratio [aRR] = 1.06, 95% CI: 1.04–1.08).
Moderation Effects: Perceived sleep quality significantly moderated the association between burnout and depressive symptoms (aRR = 0.98, 95% CI: 0.96–0.99).
- At low to moderate levels of burnout, participants reporting poorer sleep quality exhibited higher predicted depressive symptoms compared to those reporting better sleep.
- At high levels of burnout, predicted depressive symptoms converged across sleep quality groups, indicating that severe burnout is associated with elevated depressive symptoms regardless of perceived sleep quality.
Non-Significant Moderation: Perceived sleep quality did not significantly moderate the associations between burnout and anxiety or PTSD symptoms.

Significance and Claims
The authors position this study as a pilot investigation providing preliminary evidence on the interplay between burnout, sleep, and mental health across a broader healthcare workforce than typically studied.

Stress-and-Recovery Framework: The findings support a stress-and-recovery perspective, suggesting that while burnout represents chronic strain, perceived sleep quality acts as a recovery mechanism that can buffer the impact of burnout on depressive symptoms, particularly when burnout levels are not yet severe.
Threshold Effect: The study claims that the protective effect of good sleep may have a limit; once burnout reaches severe levels, the cumulative occupational strain appears to overwhelm the potential buffering capacity of sleep, leading to elevated depressive symptoms across all sleep quality groups.
Workforce Diversity: By including diverse occupational roles, the paper highlights that mental health risks and the interplay with sleep are not exclusive to physicians and nurses but affect the entire healthcare ecosystem.
Policy Implications: The authors argue that workplace interventions should address both occupational stressors (e.g., staffing, scheduling) and recovery opportunities (e.g., sleep). They caution against treating sleep interventions as a substitute for addressing organizational conditions that drive burnout.

Limitations
The paper explicitly notes limitations inherent to its pilot nature, including the cross-sectional design which precludes causal inference, reliance on self-reported measures (potential shared-method bias), the use of a single sleep quality subscale rather than comprehensive sleep metrics, and a sample size that limits the power to detect subtle interaction effects for anxiety and PTSD. The authors suggest these findings warrant validation through larger, longitudinal studies.