Poor sleep quality is prevalent among members of the military but rates of poor sleep quality
vary between studies. This study examined the global prevalence of poor sleep quality in …

The aim of this study was to develop and validate a prediction model to evaluate the risk of
poor sleep quality. We performed a cross-sectional study and enrolled 1,928 college …

Purpose The primary aim of this study was to examine whether a glycine-rich collagen
peptides (CP) supplement could enhance sleep quality in physically active men with self …

Ideally an athlete would continue to improve performance indefinitely over time, however
improvement slows as the athlete approaches their genetic limits. Measuring performance is …

Introduction: Sleep is essential for athletes and dancers to optimize recovery. Poor sleep
negatively affects cognitive function and injury risk in athletes. Increased athletic …

This study aimed to compare young soccer players' week and weekend sleep behaviors in
two different microcycle types: with and without an official match (no sporting commitments) …

This study presents the sleep characteristics of British student‐athletes and examines the
relationships between sport scheduling and time demands on sleep outcomes. Student …

The COVID-19 pandemic has changed our lifestyle, sleep and physical activity habits. This
study evaluated the prevalence of poor sleep quality, its disrupters, and the impact of the …

Objective Sleep is an essential component of athletic performance and recovery. This study
aimed to investigate the effects of different types of high-intensity exercise on sleep …

Objective The aim of this paper was to test how sport participation and chronotype affect
objectively measured sleep timing parameters on workdays. Material and Methods The …