Caffeine is a widely utilized performance-enhancing supplement used by athletes and non-
athletes alike. In recent years, a number of meta-analyses have demonstrated that caffeine's …

Caffeine is one of the most studied supplements in the world. Studies correlate its use to
increased exercise performance in endurance activities, as well as its possible ergogenic …

Objectives: The aim of this study was to examine the effect of time of day on short-term
repetitive maximal performance and psychological variables in elite judo athletes. Methods …

Numerous functional measures related to anaerobic performance display daily variation.
The diversity of tests and protocols used to assess anaerobic performance related to diurnal …

Purpose This study investigated the effects of both an active warm-up and the time-of-day
variation on repeated-sprint performance. A second objective was to compare the post …

The purpose of this systematic review is to examine the research methodological quality,
measurement properties, and feasibility of repeated sprint ability tests. Results showed that …

This study compared the effects of acute caffeine supplementation (3 mg/kg) administered in
the morning and evening on performance-related variables in basketball players. Eleven …

The lack of standardization of methods and procedures have hindered agreement in the
literature related to time-of-day effects on repeated sprint performance and needs …

Caffeine has attracted significant attention from researchers in the sports field due to its well-
documented ergogenic effects across various athletic disciplines. As research on caffeine …

While previous studies have explored a range of factors governing the optimal use of
caffeine (CAF) in athletes, limited research has explored how time of day (TOD) affects the …