Professor Russell Foster is a prominent neuroscientist renowned for his expertise in circadian rhythms and their significant influence on human health. As the Director of the Sleep and Circadian Neuroscience Institute at the University of Oxford, he has dedicated his career to advancing our understanding of biological clocks and their role in regulating sleep patterns and overall well-being. Foster's research has been pivotal in uncovering the mechanisms by which circadian rhythms affect various aspects of health, including mental and physical performance. His work has not only contributed to academic knowledge but has also informed public discourse on the importance of sleep. Through his engaging presentations, he highlights the critical relationship between sleep and health, offering insights into how individuals can improve their resilience and well-being through better sleep practices. Throughout his career, Foster has faced the challenges of translating complex scientific concepts into accessible information for diverse audiences. His ability to communicate effectively has made him a sought-after speaker and a respected figure in the field of sleep science. He has authored numerous influential publications, further establishing his authority in the discipline. Foster's contributions to neuroscience have been recognised through various awards and accolades, underscoring his commitment to advancing the field. His work not only enhances our understanding of sleep but also provides practical strategies for individuals seeking to improve their health and quality of life. With a wealth of knowledge and experience, he continues to inspire and educate others about the vital role of sleep in our daily lives.