Preliminary investigation of the effect of peppermint oil on an objective measure of daytime sleepiness

Norrish, Mark; Dwyer, Katie Louise

doi:10.1016/j.ijpsycho.2004.08.004

Cited by 49 publications

(35 citation statements)

References 20 publications

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“…In addition, this finding supports data from our laboratory (Johnson, Miles, Harrison, Haddrell, Osborne, Wilson, and Jenks, in preparation) showing that pupillary unrest (a physiological measure inversely associated with alertness, e.g. Norrish and Dwyer, 2005) is significantly reduced by a chewing gum condition compared to both sham and no chewing controls. The exact mechanism underpinning the increase in selfrated alertness is unclear but it may be driven by the mint flavour (e.g.…”

Section: Discussionsupporting

confidence: 87%

“…The exact mechanism underpinning the increase in selfrated alertness is unclear but it may be driven by the mint flavour (e.g. see Norrish and Dwyer, 2005;Johnson and Miles, 2008). Alternatively, the proposed increase in cerebral activity following the chewing of gum (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…Indeed, it is possible, therefore, that the mint flavour enhanced alertness (see Norrish and Dwyer, 2005). With respect to stress, Scholey et al highlight that 5 brief stress exposure can cause short-term reductions in vasodilatation.…”

Section: Introductionmentioning

confidence: 99%

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Chewing gum moderates multi-task induced shifts in stress, mood, and alertness. A re-examination

et al. 2011

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AcknowledgmentsThe authors would like to thank Dr. Richard Stephens and an anonymous reviewer for their suggested improvements to the manuscript. 3 AbstractThe finding that chewing gum can moderate stress and mood changes following a multi-task cognitive stressor (Scholey, Haskell, Robertson, Kennedy, Milne, and Wetherell, 2009) was re-examined. In a repeated measures cross-over design, thirty participants completed a 20-minute multi-tasking stressor on consecutive days, both with and without chewing gum. Both prior to and post stressor, participants provided salivary cortisol samples and self-rated measures of stress, state anxiety, calmness, contentedness, and alertness. Contrary to Scholey et al. (2009), chewing gum failed to

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Section: Discussionsupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%

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Chewing gum moderates multi-task induced shifts in stress, mood, and alertness. A re-examination

et al. 2011

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“…For example, mint flavour has been associated with increased alertness. Norrish and Dwyer [12] employed the Pupillograpy Sleepiness Test (PST) and demonstrated that exposure to a peppermint odour can attenuate pupillary unrest (an inverse correlate of self-rated alertness [13]). …”

Section: Introductionmentioning

confidence: 99%

“…The PST measures fluctuations in the size of the pupil's diameter (pupillary oscillations), with darknessinduced changes in pupillary oscillations correlating significantly with self-rated alertness [13]. The pupillary oscillations in darkened conditions are determined by the inter-relation of sympathetic nervous activity matched with central parasympathetic inhibition (see [12,13,16] for reviews). Reductions in alertness are associated with decreases in both sympathetic nervous activity and central parasympathetic inhibition of the Edinger-Westphal nuclei; such reductions inhibit dilator and sphincter muscle control of the pupil diameter resulting in greater fluctuations of pupil size ( [13]).…”

Section: Introductionmentioning

confidence: 99%

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

Johnson

Miles

Haddrell

et al. 2012

Physiology & Behavior

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AcknowledgmentsThe authors would like to thank two anonymous reviewers for their comments on an earlier draft of the manuscript. AbstractThe 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 nochewing 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.

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Effects of bedtime mouthwash use on sleep: A field sleep study using wristwatch‐type heart rate monitoring devise

Ishikawa,

Mon‐Nai,

Hirono

et al. 2023

Elect Comm in Japan

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This study aimed to test the efficacy of a mint‐flavored mouthwash when it is used at bedtime for subsequent sleep in a field study setting, using a wristwatch‐type heart rate (HR) monitoring devise. Using a within‐subject experimental design, twenty healthy adults used three types of mouthwash having a different intensity of mint sensation (or water as a control) per one experiment night just before going to bed at their home environment, in a counterbalanced order. As for results, irrespective of the intensity of mint‐flavored mouthwashes, the subjective score for “fatigue” and “refreshing” before sleep was decreased and increased, respectively. In addition, although a significant inhibition of HR decline in the sleep initiation period (0–30 min after bedtime) was observed with the use of mint‐flavored mouthwashes compared with the control, the trend reversed subsequently as HR trended lower than for the control during 2–6 h after the bedtime. These findings suggest that the using mint‐flavored mouthwashes at bedtime induces a positive mood before sleep and may improve physiological sleep. Moreover, this study illustrated the possible application and significant advantage of the use of wristwatch‐type HR monitoring devise in a context of field study.

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Preliminary investigation of the effect of peppermint oil on an objective measure of daytime sleepiness

Cited by 49 publications

References 20 publications

Chewing gum moderates multi-task induced shifts in stress, mood, and alertness. A re-examination

Chewing gum moderates multi-task induced shifts in stress, mood, and alertness. A re-examination

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

Effects of bedtime mouthwash use on sleep: A field sleep study using wristwatch‐type heart rate monitoring devise

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