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Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice
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Developmental pathways from insomnia to suicidality: A resilience perspective.

Qi Li1, Xiaoyan Chen2, Ya Zhu3

  • 1College of Education, Hebei University, Baoding, China.

Journal of Affective Disorders
|June 28, 2024
PubMed
Summary

Insomnia and suicidality predict each other over time. Resilience acts as a crucial mediator, highlighting its importance in preventing suicide among students experiencing insomnia.

Keywords:
College studentsInsomnia symptomsLongitudinal studyResilienceSuicidality

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Area of Science:

  • Psychiatry
  • Psychology
  • Public Health

Background:

  • Insomnia is a recognized risk factor for suicidality.
  • Limited longitudinal research exists on the mechanisms linking insomnia and suicidality.
  • A resilience perspective is crucial for understanding this relationship.

Purpose of the Study:

  • To investigate the dynamic longitudinal relationships between insomnia, resilience, and suicidality.
  • To explore the mediating role of resilience in the insomnia-suicidality link.
  • To examine these associations in a large cohort of Chinese college students.

Main Methods:

  • Longitudinal study design with data collected over six waves (2020-2022).
  • Utilized cross-lagged panel models and latent growth curve mediation models.
  • Sampled 5785 freshmen from a large-scale health-related cohort.

Main Results:

  • Insomnia symptoms and suicidality demonstrated a mutual predictive relationship over time.
  • Resilience was found to play a significant longitudinal mediating role.
  • Resilience longitudinally mediated the link between insomnia symptoms and suicidality.

Conclusions:

  • Resilience is a key mediator in the relationship between insomnia and suicidality.
  • Resilience-oriented interventions may help reduce suicide risk in university students.
  • Targeting resilience could be a viable strategy for suicide prevention in vulnerable student populations.