Abstract Circadian (∼ 24-hour) timing systems pervade all kingdoms of life and temporally
optimize behavior and physiology in humans. Relatively recent changes to our …

Salivary cortisol (sCort) and salivary alpha-amylase (sAA) constitute proxy measures of the
two major stress response systems, ie the hypothalamic-pituitary-adrenal axis and the …

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 …

Athletes are increasingly required to travel domestically and internationally, often resulting in
travel fatigue and jet lag. Despite considerable agreement that travel fatigue and jet lag can …

Football is a global game which is constantly evolving, showing substantial increases in
physical and technical demands. Nutrition plays a valuable integrated role in optimising …

Objective: This the first of two articles reviewing the scientific literature on the evaluation and
treatment of circadian rhythm sleep disorders (CRSDs), employing the methodology of …

The expanding science of circadian rhythm biology and a growing literature in human
clinical research on circadian rhythm sleep disorders (CRSDs) prompted the American …

The human circadian system anticipates and adapts to daily environmental changes to
optimise behaviour according to time of day and temporally partitions incompatible …

During the last 20 years, numerous clinical trials have examined the therapeutic usefulness
of melatonin in different fields of medicine. The objective of this article is to review, in depth …

Foreword This Journal feature begins with a case vignette highlighting a common clinical
problem. Evidence supporting various strategies is then presented, followed by a review of …