Purpose of Review <p>The importance of sleep to all human functions is indisputable. This is even more true for elite athletes who are required to fulfill their demanding training and competition obligations. The present study aimed to review the literature describing the importance of sleep in elite athletes, the sleep disorders they experience and methods of improving sleep. Selected studies were collected from PubMed in English from 2010 to 2024.</p> Recent Findings <p>Disturbed sleep affects all aspects of an athlete’s life, such as athletic performance, mental health, cognitive function, metabolism and the immune system. Conversely, the daily demands of an athlete’s life due to training and competitions, frequent changes of environment and travelling, disturb the quality and quantity of sleep.</p> Summary <p> High-level athletes are a special group of people who are more prone to sleep disorders due to their demanding daily lives. Nevertheless, the implementation of sleep hygiene by athletes can improve their sleep and ensuing disorders.</p>