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The Psychological and Psychiatric Impact of Life at Sea
Dr. Jason Eliel Alves da Silva | Psychiatrist and Occupational Physician
Introduction
The mental health of maritime professionals requires special attention, as working at sea involves conditions that go beyond physical effort and technical responsibility. Prolonged separation from family, irregular working hours, confinement, living in limited spaces, and unpredictable ocean conditions can cause significant emotional strain. As a psychiatrist and occupational physician, I consider it essential to recognize that a vessel’s safety also depends on the psychological well-being of the people who work aboard it.
Distance from Family and Emotional Isolation
One of the greatest challenges is spending days, weeks, or months away from family. Seafarers may miss birthdays, holidays, and important moments in their children’s lives, as well as experience distress when they cannot be present during a family illness or emergency. This distance can contribute to loneliness, sadness, anxiety, relationship conflicts, and feelings of guilt. Even when surrounded by colleagues, a worker may feel emotionally isolated. Regular communication with family and social support are important protective factors.
The Perception of Time and the Monotony of Life at Sea
Repetitive tasks, relatively uniform scenery, and the absence of familiar social reference points can alter the subjective perception of time. Some workers describe days that seem long or indistinguishable from one another, accompanied by monotony and a sense of disconnection from life ashore. This should not be confused with actual disorientation in time or space, which requires clinical investigation. Night shifts, time-zone changes, and irregular exposure to light can also disrupt the circadian rhythm, which regulates sleep and wakefulness.
Long Working Hours, Fatigue, and Insomnia
The need for continuous vigilance, rotating shifts, and insufficient rest can lead to physical and mental fatigue. Sleep is often disrupted by noise, vibration, vessel movement, inadequate lighting, and personal concerns. Sleep deprivation can impair memory, concentration, judgment, and emotional regulation, while increasing the risk of operational errors and microsleeps. Persistent insomnia, excessive sleepiness, and exhaustion should not be dismissed; they require assessment and effective measures to organize work and rest.
Confinement, Coexistence, and Unpredictable Conditions
On board a vessel, work and rest often take place in shared spaces. Limited privacy, interpersonal conflicts, and the difficulty of stepping away from tense situations can intensify stress. These factors are compounded by storms, changing tides, strong winds, emergencies, and other events that demand readiness. Alertness is useful in the face of danger, but when it persists it can contribute to hypervigilance, irritability, and difficulty relaxing. Serious accidents or life-threatening situations may also lead to traumatic reactions that require specialized care.
Possible Psychiatric Consequences
Issues that deserve attention include anxiety and depressive symptoms, sleep disorders, adjustment disorders, occupational burnout, and trauma-related symptoms following critical events. Burnout is an occupational phenomenon associated with chronic workplace stress that has not been successfully managed; it should not automatically be equated with a psychiatric diagnosis. Working at sea does not necessarily lead to illness: risks vary according to the intensity of exposure, personal resources, social support, and the conditions provided by the organization.
Returning Home and Family Readjustment
Disembarkation does not always bring an immediate end to emotional strain. After long periods away, professionals must readjust to schedules, daily interactions, and changes in family dynamics. They may feel out of place, struggle to relax, or experience anxiety about the next embarkation. Family support and respect for this transition period help rebuild bonds and promote recovery.
Prevention, Care, and Corporate Responsibility
Prevention requires appropriate working hours and rest periods, sleep-friendly conditions, channels for communicating with family, privacy, prevention of harassment and conflict, and access to psychological support and medical assessment when needed. Leaders should be trained to recognize significant behavioral changes without stigmatizing those who seek help. Persistent sadness, anxiety attacks, prolonged insomnia, loss of interest, marked withdrawal, or impaired functioning warrant professional assessment. Suicidal thoughts or imminent risk require urgent assistance. Care must respect medical confidentiality and take into account the safety requirements of the duties performed.
“Caring for seafarers’ mental health means caring for operational safety, family relationships, and, above all, the dignity of those who face the challenges of the ocean every day.”
Dr. Jason Eliel Alves da Silva | CRM-CE 31014
Psychiatry – RQE 19146 | Occupational Medicine – RQE 18861 | Anesthesiology – RQE 18860
R4 in Forensic Psychiatry – UFC/PEFOCE | Medical Expert



