The Impact of Trauma on Sleep Quality: Examining the Role of Nightmares in Cognitive Impairment
T. S. Saranya, Sera Mary Soloman, Sandeep Kumar Gupta, Sebnem Yucel, Recep Yucel
Annals of Neurosciences April 18, 2026 DOI: 10.1177/09727531261436606 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Cross-sectional survey Peer reviewed |
|---|---|
| Sample size | 22 |
| Population | Young adults aged 18-30 |
| Topics | Dreaming |
| Keywords | Cognition Sleep system call Distress Psychological intervention Cognitive skill Clinical psychology Association psychology Sleep disorder Cognitive impairment Insomnia Sleep deprivation |
| Key findings | Individuals with trauma history reported more frequent nightmares and poorer sleep quality, and frequent nightmares were associated with memory lapses, concentration problems, and higher daytime impairment. |
Abstract
Background: Trauma has a profound impact on both psychological and physiological functioning, with sleep disturbances-particularly nightmares-emerging as one of the most commonly reported symptoms. These sleep disruptions often co-occur with cognitive difficulties, affecting memory and attention.
Purpose: The present study aimed to explore the relationship between trauma history, nightmare frequency and their effects on cognitive functions such as memory and concentration among young adults aged 18-30.
Methods: A sample of 22 participants was surveyed using a structured questionnaire designed to assess trauma exposure, sleep quality, nightmare frequency and self-reported cognitive performance. Data were analysed to identify associations between trauma experiences, sleep disturbances and cognitive outcomes.
Results: Individuals with a history of trauma reported more frequent nightmares and poorer sleep quality. A notable association was observed between frequent nightmares and cognitive difficulties, particularly memory lapses and problems with concentration. Participants experiencing regular nightmares also reported higher levels of daytime impairment, indicating a link between nocturnal distress and reduced cognitive efficiency.
Conclusion: The findings highlight the significance of recognising nightmares not only as a symptom of trauma but also as a contributing factor to cognitive challenges. Integrating sleep-focused interventions into trauma-informed care may enhance cognitive well-being and overall functioning among affected individuals. This study adds to the growing evidence underscoring the interconnectedness of trauma, sleep and cognitive health.