IntroductionFor many, enjoying the delicate flavors of an espresso coffee ranks high up on the list of life’s little pleasures. Unfortunately, although caffeine-containing products have a range of positive effects, such as increased alertness, mental focus, and cognitive performance, it also has a disruptive effect on the quality of sleep, which is critical for general health and well-being1,2. On the other hand, caffeine has been shown to exhibit neuroprotective qualities, particularly against ...