Anxiety is the most common mental health problem worldwide. Epidemiological studies
show that sleep disturbances, particularly insomnia, affect∼ 50% of individuals with anxiety …

The aim of this investigation was to perform a systematic review and meta-analysis to
determine the efficacy of the acute ingestion of caffeine (from 3 to 6 mg/kg) to increase …

The ergogenic effect of acute caffeine ingestion has been widely investigated; however,
scientific information regarding tolerance to the performance benefits of caffeine, when …

Caffeine is the most consumed psychoactive drug worldwide and its intake in moderate
amounts prevents neurodegenerative disorders. However, the molecular targets of caffeine …

This study examined effects of 4 weeks of caffeine supplementation on endurance
performance. Eighteen low-habitual caffeine consumers (< 75 mg· day− 1) were randomly …

A number of previous investigations have been designed to determine the effect of acute
caffeine intake on the rate of fat oxidation during exercise. However, these investigations …

Purpose The main goal of this study was to assess the acute effects of 3 and 6 mg of caffeine
intake per kg of body mass (bm) on maximal strength and strength-endurance in women …

Coffee is one of the most popular beverages worldwide. Coffee contains bioactive
compounds that affect the human body such as caffeine, caffeic acid, chlorogenic acids …

Uric acid and purines (such as adenosine) regulate mood, sleep, activity, appetite, cognition,
memory, convulsive threshold, social interaction, drive, and impulsivity. A link between …

An intricate interplay between circadian and sleep–wake homeostatic processes regulate
cognitive performance on specific tasks, and individual differences in circadian preference …