Related Experiment Video
Updated: Apr 11, 2026
04:33
Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
Published on: April 26, 2024
1.7K
DEPRESSION MEDIATES THE RELATION OF INSOMNIA SEVERITY WITH SUICIDE RISK IN THREE CLINICAL SAMPLES OF U.S. MILITARY
Craig J Bryan1,2, Jacqueline Gonzales1,2, M David Rudd1,3
1National Center for Veterans Studies, The University of Utah, Salt Lake City, Utah.
Depression and Anxiety
|June 6, 2015
Summary
Insomnia severity is linked to suicide risk in military personnel, but depression appears to be the driving factor. Depression mediates the relationship between sleep disturbance and suicidal thoughts in these clinical samples.
Area of Science:
- Psychiatry
- Sleep Medicine
- Military Mental Health
Background:
- Empirical research links insomnia severity to suicide risk in civilian populations.
- Limited research exists on this relationship within U.S. military personnel.
Purpose of the Study:
- To investigate the association between insomnia severity and suicide ideation/attempts in U.S. military clinical samples.
- To determine if depression or posttraumatic stress disorder (PTSD) mediates this relationship.
Main Methods:
- Secondary data analysis of three clinical military samples (Air Force outpatients, Army inpatients, Army outpatients).
- Utilized validated scales for suicide ideation, depression, insomnia severity, and PTSD.
- Employed statistical modeling, including mediation analysis, to examine relationships.
Main Results:
- Insomnia severity showed a concurrent and prospective association with suicide ideation across all samples.
- After adjusting for covariates, insomnia severity was not directly linked to suicide ideation, but depression remained a significant predictor.
- Mediation analysis confirmed that depression explained the link between insomnia severity and suicide ideation.
Conclusions:
- Depression is the primary factor explaining the relationship between insomnia severity and suicide risk in military personnel.
- Findings highlight the critical role of addressing depression in mitigating suicide risk among service members experiencing sleep disturbances.
More Related Videos
04:34Meta-Analysis of the Effectiveness and Safety of Shugan Jieyu Capsules for the Treatment of Insomnia
Published on: February 17, 2023
1.8K
06:55An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
Published on: December 2, 2015
23.7K
Related Concept Videos
01:27Insomnia
609
Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
Multiple factors contribute...
609
01:30Stress and Mental Health
1.5K
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
1.5K
01:13Insufficient Sleep and Sleep Deprivation
1.3K
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
1.3K
01:19Management of Insomnia
789
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
789
01:24Substance Use Disorders Affecting Sleep
564
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
564
01:07Narcolepsy
799
Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
799