For hundreds of years, mankind has been influencing its sleep and waking state through the
adenosinergic system. For~ 100 years now, systematic research has been performed, first …

The military lifestyle often includes continuous operations whether in training or deployed
environments. These stressful environments present unique challenges for service members …

Acute caffeine intake has been found to increase working memory (WM)-related brain
activity in healthy adults without improving behavioral performances. The impact of daily …

Background: Caffeine is a well-known psychostimulant reputed to alleviate the deleterious
effects of sleep deprivation. Nevertheless, caffeine can alter sleep duration and quality …

Sleep loss impairs cognition; however, individuals differ in their response to sleep loss.
Current methods to identify an individual's vulnerability to sleep loss involve time …

Objective To test the hypothesis that caffeine can influence tinnitus, we recruited 80 patients
with chronic tinnitus and randomly allocated them into two groups (caffeine and placebo) to …

This study investigated whether four single nucleotide polymorphisms (SNPs) moderated
caffeine effects on vigilance and performance in a double-blind and crossover total sleep …

(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 …

Evidence has shown that both sleep loss and daily caffeine intake can induce changes in
grey matter (GM). Caffeine is frequently used to combat sleepiness and impaired …

While sleepiness assessment metrics were initially developed in medical research,
subjective sleepiness assessment is now widely used in both fundamental and applied …