Shift Work, Sleep Disruption, and the Physiology of Emotional Regulation and Stress Tolerance in Police and Public Safety Personnel

Course Description

This 3-hour continuing education program examines the physiological cascade by which shift work and circadian misalignment degrade emotional regulation and stress tolerance in police and public safety personnel. Drawing on sleep neuroscience, neuroimaging, and research conducted directly in law enforcement populations, the course traces mechanisms from occupational exposure through neurochemical disruption to functional outcomes including amplified emotional reactivity, impaired stress-axis regulation, and increased risk of adverse behavioral and health consequences. The program emphasizes both established findings and emerging science, clearly distinguishing between the two throughout.

Program Goals

Building on doctoral-level foundations in neuroscience, psychophysiology, and psychological assessment, this program extends participants' understanding into the specific and rapidly evolving literature on circadian biology, sleep neurochemistry, and the brain mechanisms underlying emotional dysregulation in occupational contexts. It is designed to deepen scientific literacy in an area where the evidence base has advanced substantially beyond what most training programs covered, equipping psychologists and allied professionals who work with public safety populations to contextualize behavioral and emotional observations within a rigorous physiological framework.

Learning Objectives

After completing this course, participants will be able to:

1. Identify the neurobiological mechanisms by which circadian misalignment and sleep loss disrupt emotional regulation in police and public safety personnel
2. Describe the relationship between shift work, REM sleep disruption, and prefrontal-amygdala dysregulation as documented in the experimental sleep and emotion literature
3. Explain how chronic sleep debt accumulates in shift-working public safety personnel and why affected individuals typically lack accurate insight into the degree of their own functional impairment
4. Analyze the bidirectional relationship between sleep disruption, emotional dysregulation, and stress-axis dysregulation in the context of occupational demands unique to policing and public safety work
5. Distinguish between the acute, reversible state effects of sleep deprivation on emotional regulation and the more persistent functional changes associated with chronic shift work and long-term circadian misalignment

Course Outline

• 1Section 1: The Occupational Context — Shift Work and Public Safety (25 minutes)
• 2 - Scope of the program and its physiological orientation
• 3 - Who the population is: policing, corrections, firefighting, and EMS as continuous operations
• 4 - Why emotional regulation and stress tolerance are central to public-safety work
• 5 - Overview of the evidence base and how established versus emerging findings are distinguished
• 6Section 2: Circadian Biology, Sleep Pressure, and the Mechanics of Disruption (35 minutes)
• 7 - The two-process model: homeostatic sleep pressure and the circadian clock
• 8 - Circadian misalignment defined: why the clock fails to adapt to night work
• 9 - Consequences of misalignment: curtailed daytime sleep, accumulating debt, and impaired self-awareness of deficits
• 10 - Police-specific data: shift-stratified sleep quality rates, sleep disorder prevalence, and links to errors and anger
• 11Section 3: Neurochemistry of Sleep and What Disruption Leaves Undone (40 minutes)
• 12 - The ascending arousal system and the flip-flop switch: adenosine, monoamines, and orexin
• 13 - Monoamine regeneration during sleep: the resensitization hypothesis and its relevance to mood and motivation
• 14 - Dopamine receptor downregulation with sleep loss: reward blunting, reduced motivation, and impulsivity risk
• 15 - Noradrenergic hyperarousal and its link to stress reactivity; the glymphatic clearance hypothesis as emerging science
• 16Section 4: Sleep Loss and the Degradation of Emotional Regulation (40 minutes)
• 17 - The prefrontal-amygdala circuit: top-down control and how sleep deprivation produces a disconnect
• 18 - Meta-analytic evidence: reduced positive affect, increased negative affect, and amplified reactivity across the experimental literature
• 19 - REM sleep and overnight emotional recalibration: the double hit of curtailed and mistimed sleep
• 20 - Erosion of reappraisal strategies, reward-processing distortion, and the state versus trait distinction
• 21Section 5: Stress Tolerance, HPA Axis Dysregulation, and Cognitive Costs (35 minutes)
• 22 - The HPA axis and cortisol under normal conditions versus chronic sleep disruption
• 23 - Allostatic load: how cumulative physiological wear from shift work compounds across time
• 24 - Cognitive domains most sensitive to sleep loss: sustained attention, working memory, inhibitory control, and decision-making under pressure
• 25 - The circadian trough as the window of peak risk: fatigue, impaired judgment, and officer safety
• 26Section 6: Systemic Health Consequences and Implications for Practice (25 minutes)
• 27 - Long-term cardiometabolic, immune, and mental health outcomes associated with chronic shift work in public safety
• 28 - The bidirectional loop: dysregulation and stress further disrupting sleep, compounding the burden
• 29 - What clinicians, evaluators, and allied professionals can draw from the physiological framework
• 30 - Summary of established findings, well-supported hypotheses, and genuinely emerging science

About the Instructor

Professional Degree & Discipline:

Psy.D.

Current Position & Expertise in Program Content:

Dr. Troy Ewing is a licensed clinical psychologist and CEO of Ewing Diagnostic & Psychological Services, Inc., a multi-site practice providing psychological and forensic assessment services across California and beyond. With over two decades of experience, Dr. Ewing specializes in pre-employment psychological evaluations, forensic assessments, and disability-related evaluations for local, state, and federal agencies. He has extensive experience working with law enforcement and government organizations, including managing large-scale psychological screening programs for correctional and public safety personnel. His expertise includes the administration and interpretation of a wide range of psychological and cognitive assessment instruments, as well as comprehensive report writing for diagnostic, eligibility, and risk-assessment purposes. n addition to his clinical and forensic work, Dr. Ewing is the founder of Mindset Continuing Education, an APA-approved provider, where he develops and delivers continuing education programs for mental health professionals. His career also includes significant experience in correctional mental health, university counseling, and crisis intervention, where he has worked with diverse populations across clinical settings. Dr. Ewing earned his Doctor of Psychology (Psy.D.) in Clinical Psychology from the California School of Professional Psychology and is licensed in multiple states.

Conflict of Interest Disclosure

No commercial support or conflicts of interest to disclose.

Refund & Cancellation Policy

Full refund available within 7 days of purchase if course has not been started. No refund after course content has been accessed.