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0296 Less Self-Reported Alertness and Motivation During Sleep Restriction are Associated with Decreased Attentional Performance by Mathew, G M; Strayer, S M; Ness, K; Bailey, D S; Buxton, O M; Chang, A is a Psychology article available to read on EtoBox.

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## Abstract ## Introduction Some individuals demonstrate more performance decrements on the psychomotor vigilance task (PVT) after sleep restriction (SR). We investigated whether individuals who reported less alertness and/or less motivation after SR demonstrated poorer performance on the PVT. ## Methods Fifteen healthy men (22.3±2.8 years) participated in a 10-night inpatient protocol with three nights of 10-hour baseline time in bed (TIB), five nights of SR (5-hour TIB), then two recovery (10-hour TIB) nights. Participants completed the 10-minute PVT (Joggle Research® battery) approximately every two hours during wake. Outcomes included number of false starts ( .05). There was a significant interaction between day and alertness for lapses (p=.008); lapses followed a quadratic inverted-U shape across days with a stronger effect in sleepy (b=-0.43, p<.001) versus alert (b=-0.15, p=.031) participants. There was no interaction between day and motivation for lapses. ## Conclusion Participants reporting less alertness were more likely to make both false starts and lapses after SR; those reporting less motivation were more likely to make false starts, but not lapses. Findings suggest gr

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Author

Mathew, G M; Strayer, S M; Ness, K; Bailey, D S; Buxton, O M; Chang, A

Publisher

Associated Professional Sleep Societies, LLC; Oxford University Press; Oxford University Press (OUP) (ISSN 0161-8105)

Published

2020

Language

EN

Field

Psychology (Health Sciences)