The effect of chewing gum on physiological and self-rated measures of alertness and daytime sleepiness

Andrew J. Johnson, Christopher Miles, Ben Haddrell, Emily Harrison, Liam Osborne, Nigel Wilson, Rebecca Ann Jenks

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The proposition that chewing gum can improve alertness was investigated via both physiological and self-rated measures. The Pupillographic Sleepiness Test (PST) provided a measure of pupillary unrest (PUI); a physiological index of daytime sleepiness. Chewing gum reduced the extent of sleepiness as measured by both PUI and self-rated sleepiness. Specifically, in comparison with sham chewing and no chewing controls, the chewing gum condition significantly limited the increase in pupillary unrest following the 11-minute PST within a darkened laboratory: a finding indicating moderation of the daytime sleepiness increase for the chewing gum condition. In addition, there was some evidence that chewing gum (relative to the no-chewing condition only) moderated the increase in a self-rated measure of sleepiness (Stanford Sleepiness Scale). However, there was no evidence that chewing gum moderated the decrease in self-rated alertness (Bond-Lader Visual Analogue Mood Scale). Although the precise mechanism underpinning the effect of chewing gum is unclear, the reduction in daytime sleepiness may be underpinned via heightened cerebral activity following the chewing of gum or the arousing effects of mint flavour. --------------------------------------------------------------------------------
Original languageEnglish
Pages (from-to)815-820
JournalPhysiology & Behavior
Volume105
Issue number3
DOIs
Publication statusPublished - 1 Feb 2012

Keywords

  • Chewing gum
  • Alertness
  • Pupillography
  • Sleepiness
  • --------------------------------------------------------------------------------

Fingerprint Dive into the research topics of 'The effect of chewing gum on physiological and self-rated measures of alertness and daytime sleepiness'. Together they form a unique fingerprint.

  • Cite this

    Johnson, A. J., Miles, C., Haddrell, B., Harrison, E., Osborne, L., Wilson, N., & Jenks, R. A. (2012). The effect of chewing gum on physiological and self-rated measures of alertness and daytime sleepiness. Physiology & Behavior, 105(3), 815-820. https://doi.org/10.1016/j.physbeh.2011.10.020