Law enforcement officers are trained to respond when others are in crisis. They answer calls involving violence, accidents, trauma, loss, danger, and human suffering often while being expected to remain calm, composed, alert, and in control. This level of emotional and physiological control is not simply a job skill; over time, it becomes a survival strategy.
Pollock and Augusto (2021) described policing as work that requires sacrifice, compassion, and protection of others, often in environments marked by unpredictable danger. Officers are expected to move quickly from one distressing call to the next, regulate their emotions, make rapid decisions, and return to duty as if their bodies have not absorbed the weight of what they just experienced. What is discussed far less is how this repeated exposure impacts sleep.
Sleep is not just rest. Sleep is recovery. For law enforcement officers, poor sleep quality can become one of the most overlooked consequences of chronic occupational stress.
The Body Keeps Responding After the Call Ends
When officers respond to chronic distress calls, their nervous systems do not simply “turn off” once the scene is cleared. The body continues to process threat, stress, and hypervigilance. Over time, repeated exposure to occupational stress can create what is known as allostatic load or, “the wear and tear” on the body that develops when stress-response systems are repeatedly activated.
Corrigan et al. (2021) identified stress and allostatic load as major concerns among first responders and tactical operators, noting the importance of monitoring physiological indicators such as heart rate variability. These biological responses matter because they help explain why an officer may feel exhausted but unable to sleep, physically tired but mentally alert, or emotionally drained yet still operating in “ready mode.”
This is where cortisol becomes especially important.
Cortisol, Circadian Rhythm, and Officer Sleep
Cortisol is often referred to as the body’s primary stress hormone. Fekedulegn et al. (2018) described cortisol as an end product of the hypothalamic-pituitary-adrenal axis, commonly known as the HPA axis. The HPA axis helps the body adjust to stress and respond to environmental demands.
Under healthy conditions, cortisol follows a rhythm. One important part of this pattern is the cortisol awakening response, or CAR. CAR refers to the natural rise in cortisol that occurs shortly after waking, followed by a gradual decline throughout the day (Fekedulegn et al., 2018). This rhythm helps support alertness in the morning and restfulness later in the day.
For officers, especially those working rotating shifts, overnight shifts, extended hours, or unpredictable schedules, this rhythm can become disrupted. When cortisol patterns become abnormal, the body may struggle to distinguish between when it is time to be alert and when it is safe to rest. Fekedulegn et al. (2018) noted that abnormal CAR has been linked to psychological stress, cardiovascular disease risk, and susceptibility to infectious disease.
In practical terms, this means the officer may leave the shift, return home, and physically be in a safe environment, but the body may still be operating as if the next call is coming at any moment.
Why Poor Sleep Should Be Treated as a Wellness Concern
Poor sleep among officers is not simply about feeling tired. It affects emotional regulation, decision-making, reaction time, frustration tolerance, memory, physical health, and resilience. In a profession where split-second decisions carry serious consequences, sleep quality is not optional. It is an officer safety issue, a public safety issue, and a long-term health issue.
Osorio et al. (2017) emphasized that resilience is connected to the body’s ability to adapt to stress. However, adaptation requires recovery. Without adequate recovery, the body remains in a prolonged stress state. Over time, officers may become more vulnerable to burnout, irritability, anxiety, depression, physical illness, and emotional detachment.
This is why police wellness initiatives must move beyond surface-level conversations about “stress management” and begin addressing the biological impact of the work.
Physical Activity as a Protective Factor
One important strategy for managing stress physiology and improving officer wellness is physical activity. Fekedulegn et al. (2018) found that leisure-time physical activity may moderate the relationship between sleep quality and cortisol awakening response among law enforcement officers.
Mumford et al. (2021) also highlighted the importance of physical activity for officer health. Their work suggests that continued engagement in endurance and resistance-based exercise beyond academy training may support improvements in health outcomes related to sleep, hypertension, cholesterol, diabetes, and gastrointestinal conditions.
For officers, movement should not be framed only as fitness or job readiness. It should also be understood as nervous system care. Exercise can help discharge stress activation, improve sleep regulation, support cardiovascular health, and reduce the physiological burden carried by officers over time.
This does not mean every officer needs an extreme fitness routine. Sustainable wellness may begin with consistent walking, resistance training, mobility work, stretching, or structured workouts that fit the officer’s schedule. The key is consistency beyond the academy and throughout the officer’s career.
Mindfulness-Based Stress Reduction and Cortisol Regulation
Another promising intervention is mindfulness-based stress reduction. Christopher et al. (2016) conducted a pilot study examining a mindfulness-based intervention among law enforcement officers and found improvements in cortisol awakening response and health-related outcomes.
Mindfulness is sometimes misunderstood as simply “relaxing” or “clearing the mind.” For officers, mindfulness is better understood as a tactical wellness skill. It teaches the officer how to notice internal activation, regulate attention, slow physiological escalation, and return to the present moment without becoming overwhelmed by stress.
Christopher et al. (2016) noted that mindfulness-based training may support cognitive and biological reductions in tension and anxiety among officers. This matters because the goal is not to make officers less alert or less prepared. The goal is to help the body recover when high alert is no longer necessary.
Mindfulness practices may include breathing exercises, body scans, grounding techniques, meditation, mindful movement, or brief reset practices between calls. Even short interventions can help officers recognize when their bodies are still carrying the call long after the call has ended.
Reframing Officer Wellness
Officer wellness cannot be limited to annual trainings, fitness tests, or crisis support after a major incident. Wellness must be built into the culture of policing as an ongoing protective factor. This includes normalizing conversations about sleep, stress physiology, cortisol, trauma exposure, and recovery.
Law enforcement agencies should consider wellness programming that includes:
- Education on sleep, shift work, and cortisol regulation
- Access to physical activity programs that continue beyond academy training
- Mindfulness-based stress reduction training
- Peer support that reduces stigma around stress and fatigue
- Leadership support for recovery-focused practices
- Screening and referral pathways for officers experiencing chronic sleep disturbance, burnout, anxiety, or trauma symptoms
Officers are often praised for being strong, calm, and composed under pressure. However, true strength also requires recovery. A body that is constantly activated cannot remain resilient forever without intentional care.
Final Reflection
The badge may come off at the end of a shift, but the body may still be responding to what the officer witnessed, heard, and carried. Chronic distress calls, unpredictable danger, and shift work can disrupt cortisol patterns, impair sleep, and increase the allostatic load placed on law enforcement officers.
Supporting officer wellness means recognizing that sleep is not a weakness, rest is not avoidance, and recovery is not optional. Physical activity and mindfulness-based stress reduction offer practical, evidence-informed strategies that can help officers regulate stress, improve health outcomes, and strengthen resilience.
If law enforcement officers are expected to remain calm in the most stressful moments of community life, then agencies and wellness professionals must also support the calm their bodies need after the call ends.
References
Christopher, M. S., Goerling, R. J., Rogers, B. S., Hunsinger, M., Baron, G., Bergman, A. L., & Zava, D. T. (2016). A pilot study evaluating the effectiveness of a mindfulness-based intervention on cortisol awakening response and health outcomes among law enforcement officers. Journal of Police and Criminal Psychology, 31(1), 15–28. https://doi.org/10.1007/s11896-015-9161-x
Corrigan, S. L., Roberts, S., Warmington, S., Drain, J., & Main, L. C. (2021). Monitoring stress and allostatic load in first responders and tactical operators using heart rate variability: A systematic review. BMC Public Health, 21(1), 1–16. https://doi.org/10.1186/s12889-021-11595-x
Fekedulegn, D., Innes, K., Andrew, M. E., Tinney-Zara, C., Charles, L. E., Allison, P., Violanti, J. M., & Knox, S. S. (2018). Sleep quality and the cortisol awakening response (CAR) among law enforcement officers: The moderating role of leisure time physical activity. Psychoneuroendocrinology, 95, 158–169. https://doi.org/10.1016/j.psyneuen.2018.05.034
Mumford, E. A., Liu, W., Taylor, B. G., & Ramey, S. (2021). Profiles of US law enforcement officers’ diagnosed health conditions: Results from a probability-based sample of officers. Journal of Occupational and Environmental Medicine, 63(5), 422–431. https://doi.org/10.1097/JOM.0000000000002162
Osorio, C., Probert, T., Johns, E., Young, A. H., & Robbins, I. (2017). Adapting to stress: Understanding the neurobiology of resilience. Behavioral Medicine, 43(4), 307–322. https://doi.org/10.1080/08964289.2016.1170661
Pollock, L. D., & Augusto, D. (2021). Protecting others, compassion, and sacrifice: The toll of disaster policing on law enforcement officers in the United States. The Police Journal. https://doi.org/10.1177/0032258X211044708
Teresa Guzman, DSW, MS, LCSW 