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Master of Public Health

The effects of sleep disturbance and chronotype on baseline vestibular/ ocular motor screening in collegiate athletes

AUTHORS

Crutcher B , Moran RN , . Journal of clinical and translational research. 2022 11 28; 8(6). 577-583

ABSTRACT

BACKGROUND: The vestibular/ocular motor screening (VOMS) is a clinically validated screening tool for concussion management. Multiple factors have been known to influence VOMS performance such as preexisting migraine and mood disorders. Poor sleep is an another important variable that warrants investigation as a modifier on the VOMS that may need to be considered during administration.

AIM: This study aims to examine whether self-reported sleep difficulties significantly modify baseline VOMS symptom provocation in collegiate athletes.

METHODS: A total of 191 collegiate student-athletes completed a pre-season baseline VOMS and the 16-item Athlete Sleep Screening Questionnaire (ASSQ) before the start of their respective sport season. The ASSQ was used to establish sleep health variables consisting of hours of sleep per night, sleep difficulties when traveling for sport, chronotype (e.g., morning or evening person), and a sleep disturbance score (SDS) category of none, mild, and moderate + severe.

RESULTS: Those who reported sleep disturbances when traveling for sport on that respective ASSQ item had higher pre-test VOMS symptoms (P < 0.001) and symptom provocation on convergence (P = 0.015), horizontal vestibular ocular reflex (VOR) (P = 0.008), and vertical VOR (P = 0.039). There were worse pre-test symptoms (P = 0.015) and provocation on horizontal VOR (P = 0.046) in the moderate + severe SDS group than no SDS. The moderate + severe SDS group reported worse symptom provocation on the horizontal (P = 0.018) and vertical VOR (P = 0.010), and VMS (P = 0.017). No differences were found on VOMS symptom provocation for hours of sleep or chronotype.

CONCLUSIONS: These results show agreement with previous symptom and neurocognitive data in that sleep difficulties among collegiate athletes may have an important role in the interpretation of baseline concussion testing. It may be beneficial to utilize sleep assessments with baseline concussion testing when using the VOMS as the clinical concussion measurement modality.

RELEVANCE FOR PATIENTS: The addition of sleep assessment may aid sports medicine practitioners in properly interpreting baseline VOMS scores. Pre-season baseline testing may need to be delayed if athletes report with poor sleep in the acute period prior.

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