Relationship between Habitual Caffeine Consumption, Attentional Performance, and Individual Alpha Frequency during Total Sleep Deprivation

Michael Quiquempoix (), Catherine Drogou, Mégane Erblang, Pascal Van Beers, Mathias Guillard, Pierre-Emmanuel Tardo-Dino, Arnaud Rabat, Damien Léger, Mounir Chennaoui, Danielle Gomez-Merino and Fabien Sauvet
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Michael Quiquempoix: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Catherine Drogou: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Mégane Erblang: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Pascal Van Beers: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Mathias Guillard: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Pierre-Emmanuel Tardo-Dino: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Arnaud Rabat: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Damien Léger: URP 7330 VIFASOM, Université Paris Cité, Hôtel-Dieu, 75004 Paris, France
Mounir Chennaoui: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Danielle Gomez-Merino: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France
Fabien Sauvet: Institut de Recherche Biomédicale des Armées (IRBA), 91223 Brétigny sur Orge, France

IJERPH, 2023, vol. 20, issue 6, 1-16

Abstract: (1) Background: Caffeine is a psychostimulant that is well known to mitigate the deleterious effects of sleep debt. Our aim was to assess the effects of acute caffeine intake on cognitive vulnerability and brain activity during total sleep deprivation (TSD), taking into account habitual caffeine consumption. (2) Methods: Thirty-seven subjects were evaluated in a double-blind, crossover, total sleep deprivation protocol with caffeine or placebo treatment. Vigilant attention was evaluated every six hours during TSD using the psychomotor vigilance test (PVT) with EEG recordings. The influence of habitual caffeine consumption was analyzed by categorizing subjects into low, moderate, and high consumers. (3) Results: The PVT reaction time (RT) increased during TSD and was lower in the caffeine condition vs. the placebo condition. The RT was shorter in the low-caffeine consumers compared to moderate and high consumers, regardless of conditions and treatments. The TSD-related increase in EEG power was attenuated by acute caffeine intake independently of habitual caffeine consumption, and the individual alpha frequency (IAF) was lower in the high-consumption group. The IAF was negatively correlated with daytime sleepiness. Moreover, a correlation analysis showed that the higher the daily caffeine consumption, the higher the RT and the lower the IAF. (4) Conclusions: A high level of habitual caffeine consumption decreases attentional performance and alpha frequencies, decreasing tolerance to sleep deprivation.

Keywords: sleep deprivation; vulnerability; PVT performance; EEG alpha activity; caffeine consumption (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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