@article{ref1,
title="The influence of sleep duration and sleep-related symptoms on baseline neurocognitive performance among male and female high school athletes",
journal="Neuropsychology",
year="2015",
author="Sufrinko, Alicia and Johnson, Eric W. and Henry, Luke C.",
volume="30",
number="4",
pages="484-491",
abstract="Typically, the effects of sleep duration on cognition are examined in isolation. <br><br>OBJECTIVE: This study examined the effects of restricted sleep and related symptoms on neurocognitive performance. <br><br>METHOD: Baseline Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) and postconcussion symptom scale (PCSS) were administered to athletes (N = 7,150) ages 14-17 (M = 15.26, SD = 1.09) prior to sport participation. Three groups of athletes were derived from total sleep duration: sleep restriction (≤5 hours), typical sleep (5.5-8.5 hours), and optimal sleep (≥9 hours). A MANCOVA (age and sex as covariates) was conducted to examine differences across ImPACT/PCSS. Follow-up MANOVA compared ImPACT/PCSS performance among symptomatic (e.g., trouble falling asleep, sleeping less than usual) adolescents from the sleep restriction group (n = 78) with asymptomatic optimal sleepers (n = 99). <br><br>RESULTS: A dose-response effect of sleep duration on ImPACT performance and PCSS was replicated (Wilk's λ =.98, F2,7145 = 17.25, p <.001, η2 =.01). The symptomatic sleep restricted adolescents (n = 78) had poorer neurocognitive performance: verbal memory, F = 11.60, p =.001, visual memory, F = 6.57, p =.01, visual motor speed, F = 6.19, p =.01, and reaction time (RT), F = 5.21, p =.02, compared to demographically matched controls (n = 99). Girls in the sleep problem group performed worse on RT (p =.024). <br><br>CONCLUSION: Examining the combination of sleep-related symptoms and reduced sleep duration effectively identified adolescents at risk for poor neurocognitive performance than sleep duration alone. (PsycINFO Database Record<p /> <p>Language: en</p>",
language="en",
issn="0894-4105",
doi="10.1037/neu0000250",
url="http://dx.doi.org/10.1037/neu0000250"
}