Siobhan Banks, a renowned neuroscientist and sleep researcher at the University of South Australia, shares insights on sleep's vital role in mental clarity. She challenges the modern sleep crisis narrative, presenting a more nuanced view that includes historical context. The discussion covers the impact of light exposure and how to create a sleep-friendly environment. Siobhan also explores the pros and cons of using smartwatches for tracking sleep, introducing 'orthosomnia'—the anxiety surrounding sleep data—while advocating for personalized sleep strategies.