What is it about?
Prior work shows that individuals often report poor sleep following concussions or mild traumatic brain injuries. However, in research contexts, these findings are inconsistently corroborated using objective measures of quantifying sleep. Here, we measured sleep in two separate mTBI samples along with location-matched controls. We observed different patterns of post-mTBI sleep, both compared to the location-matched samples and between the mTBI samples. These findings highlight the variability in outcomes following mTBI and the importance of multi-sample studies, rather than the reliance on single samples in one location, particularly when measuring sleep.
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Why is it important?
This manuscript provides additional evidence to a growing body of work identifying long-term sleep struggles following mTBI. Additionally, it identifies heterogeneous group-level outcomes, even when comparing two well-matched post-injury groups.
Perspectives
Post-mTBI sleep patterns exhibit a high degree of intra-personal and intersample heterogeneity. There is a critical need for multi-site, multi-sample studies so that group-level differences are not overlooked. Additionally, the findings suggest that a "one-size-fits-all" approach to understanding post-injury may not reflect the diversity of outcomes. Future studies are needed to identify sleep phenotypes arsing from mTBIs.
Adam C Raikes
University of Arizona
Read the Original
This page is a summary of: Evidence of Actigraphic and Subjective Sleep Disruption Following Mild Traumatic Brain Injury, Sleep Medicine, October 2018, Elsevier,
DOI: 10.1016/j.sleep.2018.09.018.
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