Inclusion, delivery, assessment, and outcomes in longitudinal research on sleep disturbance and agitation in TBI-rehabilitation: lessons learned and future considerations

This article presents some issues for consideration before scaling from a pilot study to a larger investigation in longitudinal observational studies of traumatic brain injury (TBI) rehabilitation.We present a case to discuss protocol improvements in longitudinal TBI-rehabilitation studies. The case was a pilot study conducted at two university hospitals in Denmark investigating 1-year outcomes related to sleep disturbance and agitation during...