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<p>This study examined the longitudinal relationship between sleep disturbances, posttraumatic stress disorder (PTSD) risk, and eating disorders (EDs) in a community sample exposed to a collective trauma. Sleep disturbances were assessed at T1 (pre-trauma), PTSD risk at T2, and night eating syndrome (NES) and other EDs at T3. The findings showed that sleep disturbances at T1 predicted increased PTSD risk at T2, which was associated with greater NES and EDs severity at T3. Notably, the association between sleep disturbances and NES was both direct and indirect through PTSD risk, whereas the link to other EDs was solely indirect. These findings suggest that pre-trauma sleep quality may function as a regulatory foundation for resilience, in which early disturbances increase susceptibility to PTSD and subsequent eating pathologies. The direct link between sleep and NES highlights the unique vulnerability associated with this disorder in patients with NES. Addressing sleep-related risk factors following collective trauma may help mitigate PTSD severity and reduce the risk of disordered eating, emphasizing the importance of early assessments in high-risk populations.</p>

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Sleep, PTSD, and eating disorders: a longitudinal study on mental health in a community sample in israel following collective trauma

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月29日

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  • Zohar Spivak-Lavi,
  • Orna Tzischinsky,
  • Yael Latzer

摘要

This study examined the longitudinal relationship between sleep disturbances, posttraumatic stress disorder (PTSD) risk, and eating disorders (EDs) in a community sample exposed to a collective trauma. Sleep disturbances were assessed at T1 (pre-trauma), PTSD risk at T2, and night eating syndrome (NES) and other EDs at T3. The findings showed that sleep disturbances at T1 predicted increased PTSD risk at T2, which was associated with greater NES and EDs severity at T3. Notably, the association between sleep disturbances and NES was both direct and indirect through PTSD risk, whereas the link to other EDs was solely indirect. These findings suggest that pre-trauma sleep quality may function as a regulatory foundation for resilience, in which early disturbances increase susceptibility to PTSD and subsequent eating pathologies. The direct link between sleep and NES highlights the unique vulnerability associated with this disorder in patients with NES. Addressing sleep-related risk factors following collective trauma may help mitigate PTSD severity and reduce the risk of disordered eating, emphasizing the importance of early assessments in high-risk populations.