Actigraphic Assessment of Sleep Disturbances following Traumatic Brain Injury

Abstract

The current study examined the use of actigraphy in measurement of sleep following traumatic brain injury (TBI). Twenty-one patients with TBI and self-reported sleep and/or fatigue problems and 21 non-injured controls were studied over seven days using actigraphy and sleep diary reports. Although strong associations between diary and actigraphic assessment of sleep duration were observed in both participant groups, agreement between these methods appeared to weaken in patients with TBI. Associations between sleep diary and actigraphic assessments of sleep disturbance, i.e., wake after sleep onset (WASO) and sleep onset latency (SOL) were not apparent in either group, although weaker agreement between methods for WASO was again observed in patients with TBI. Actigraphy may prove useful to supplement self-report measures of sleep following TBI. More work is required to understand the accuracy of these measures in this population.

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