Nat Sci Sleep. 2021 May 25;13:659-671. doi: 10.2147/NSS.S301832. eCollection 2021.
Fidelity of Information Processing on a Psychomotor Vigilance Task Predicts Changes in Self-Reported Sleepiness Ratings.
Nature and science of sleep
Spencer A Nielson, Daniel J Buysse, Daniel B Kay
Affiliations
Affiliations
- Department of Psychology, Brigham Young University, Provo, UT, 84602, USA.
- Department of Psychiatry and Sleep Medicine Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA.
PMID: 34079410
PMCID: PMC8164875 DOI: 10.2147/NSS.S301832
Abstract
INTRODUCTION: Daytime sleepiness is a common problem. Although sleepiness is primarily assessed at the self-report unit of analysis, factors that contribute to an individual's experience and report of sleepiness remain poorly understood. While sleepiness is known to impact vigilance performance, the impact of vigilance performance on sleepiness reports is less well understood. We aimed to explore how performance on a psychomotor vigilance task (PVT) relates to changes in self-reported sleepiness in a rested condition.
METHODS: Participants were 66 adults (
RESULTS: Lower LSNR predicted greater change in sleepiness (pre-to-post PVT) and higher post-sleepiness even after adjusting for pre-sleepiness, mean reciprocal reaction time, insomnia, and other potential confounds (p<0.05).
DISCUSSION: When adjusting for insomnia symptoms and potential confounds, participants with lower fidelity of information processing reported higher sleepiness than they had reported at the start of the PVT. Possible mechanisms and explanations are discussed in relation to a 3-factor model of sleep-wake states. This line of research may contribute to innovative approaches to assessing and treating sleepiness.
© 2021 Nielson et al.
Keywords: context; fidelity of information processing; insomnia; psychomotor vigilance; self-report; sleepiness
Conflict of interest statement
Dr Daniel J Buysse reports grants from National Institutes of Health, Patient Centered Outcomes Research Institute, personal fees from Bayer, BeHealth Solutions, Cereve/Ebb Therapeutics, Emmi Solution
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