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Published on: September 21, 2018
High Sleep Disturbance and Longer Concussion Duration in Repeat Concussions
Temitayo Oyefunmike Oyegbile1, Andrew Dougherty1, Sarah Tanveer2
1Department of Pediatrics and Neurology, MedStar Georgetown University Hospital, Washington, DC, USA.
Repeated concussions lead to longer recovery times and increased sleep disturbances. More concussions correlate with worse headaches, mood issues, and cognitive problems, especially when sleep is disturbed.
Area of Science:
- Neurology
- Sleep Medicine
- Sports Medicine
Background:
- The impact of repeated concussions on sleep disturbance and recovery is not fully understood.
- Assessing postconcussive symptoms and cognitive function is crucial for understanding concussion outcomes.
Purpose of the Study:
- To investigate the relationship between sleep disturbance, concussion duration, and the number of concussions sustained.
- To examine how postconcussive symptoms and cognitive function are affected by repeated concussions and sleep issues.
Main Methods:
- Collected data on cognitive function and concussion symptoms from 430, 192, and 118 subjects after their 1st, 2nd, and 3+ concussions, respectively.
- A subset of 119 subjects were monitored longitudinally for concussion duration.
- Analyzed data using group comparisons, regression, and correlation, adjusting for age and gender.
Main Results:
- Sleep disturbance significantly increased with the number of concussions (1st: 2.56, 2nd: 3.65, 3+: 4.32).
- Concussion history predicted longer concussion duration (R²=0.20), with trouble falling asleep and sleeping less than usual being significant predictors (β=0.15 each).
- Higher sleep disturbance after repeated concussions correlated with increased headache and mood disturbance severity, and a stronger link to cognitive dysfunction.
Conclusions:
- A history of repeated concussions is associated with prolonged concussion duration and heightened sleep disturbance.
- Sleep disturbance in individuals with repeated concussions is linked to more severe headaches, mood disturbances, and cognitive deficits.
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