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Sleep Disturbances in Traumatic Brain Injury: Associations With Sensory Sensitivity.

Jonathan E Elliott1,2, Ryan A Opel1, Kris B Weymann1,3

  • 1VA Portland Health Care System, Portland, Oregon.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|July 12, 2018
PubMed
Summary
This summary is machine-generated.

Sleep disturbances in Veterans with traumatic brain injury (TBI) are linked to sensory sensitivity. Insomnia severity and posttraumatic stress disorder (PTSD) are key factors in this relationship.

Keywords:
PTSDVeteransautonomic hyperarousallight sensitivityneurodegenerationnoise sensitivity

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Area of Science:

  • Neuroscience
  • Sleep Medicine
  • Veterans Health

Background:

  • Sleep disturbances and sensory sensitivity are common in Veterans after traumatic brain injury (TBI).
  • Both conditions are early indicators of neurodegeneration.
  • The link between sleep and sensory issues post-TBI in Veterans remains understudied.

Purpose of the Study:

  • To investigate the relationship between sleep disturbances and sensory sensitivity in Veterans with TBI.
  • To identify factors influencing this relationship, such as posttraumatic stress disorder (PTSD).

Main Methods:

  • 95 Veterans in the chronic recovery phase post-TBI underwent polysomnography.
  • Participants completed self-report measures for sleep disturbances and sensory sensitivity (light/noise).
  • Veterans were grouped based on sensory sensitivity: neither, light only, noise only, or both.

Main Results:

  • Sleep disturbances significantly correlated with sensory sensitivity severity in Veterans with TBI.
  • Insomnia severity emerged as the strongest predictor of the sleep-disturbance and sensory-sensitivity link.
  • Sensory sensitivity was associated with higher mean heart rate during sleep, independent of PTSD status.

Conclusions:

  • This study provides the first data on the prevalence and association of sensory sensitivity and sleep disturbances in Veterans with TBI.
  • Comorbid PTSD and autonomic nervous system hyperarousal may underlie the sleep-sensory relationship.
  • Findings highlight potential therapeutic targets for managing chronic TBI sequelae.