Stop and revive? The effectiveness of nap and active rest breaks for reducing driver sleepiness.

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  • Author(s): Watling CN;Watling CN; Smith SS; Horswill MS
  • Source:
    Psychophysiology [Psychophysiology] 2014 Nov; Vol. 51 (11), pp. 1131-8. Date of Electronic Publication: 2014 Jun 24.
  • Publication Type:
    Journal Article; Research Support, Non-U.S. Gov't
  • Language:
  • Additional Information
    • Source:
      Publisher: Blackwell Country of Publication: United States NLM ID: 0142657 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1540-5958 (Electronic) Linking ISSN: 00485772 NLM ISO Abbreviation: Psychophysiology Subsets: MEDLINE
    • Publication Information:
      Publication: Malden, MA : Blackwell
      Original Publication: Baltimore, Williams & Wilkins.
    • Subject Terms:
    • Abstract:
      The purpose of this study was to compare the effects of two commonly utilized sleepiness countermeasures: a nap break and an active rest break. The effects of the countermeasures were evaluated by physiological (EEG), subjective, and driving performance measures. Participants completed 2 h of simulated driving, followed by a 15-min nap break or a 15-min active rest break, then completed the final hour of simulated driving. The nap break reduced EEG and subjective sleepiness. The active rest break did not reduce EEG sleepiness, with sleepiness levels eventually increasing, and resulted in an immediate reduction of subjective sleepiness. No difference was found between the two breaks for the driving performance measure. The immediate reduction of subjective sleepiness after the active rest break could leave drivers with erroneous perceptions of their sleepiness, particularly with increases of physiological sleepiness after the break.
      (Copyright © 2014 Society for Psychophysiological Research.)
    • Contributed Indexing:
      Keywords: Active rest break; Driving; Hazard perception; Nap break; Sleepiness
    • Publication Date:
      Date Created: 20140626 Date Completed: 20151230 Latest Revision: 20141013
    • Publication Date:
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