In this special edition of Just One Thing, Dr Michael Mosley interviews Professor Russell Foster, Director of the Sleep and Circadian Neuroscience Institute at the University of Oxford and one of the world’s leading experts on body clocks. In this concise, practical episode, Foster explains how circadian rhythms work, how much sleep we truly need, what determines our chronotype, and the essential dos and don’ts of sleep hygiene. The conversation ends with Foster’s single most effective “one thing” to improve sleep — a clear, actionable takeaway for everyday life.
Why it matters for longevity at work:
Sleep is a foundational pillar of long‑term health, cognitive performance, and emotional resilience. Foster’s guidance offers employees simple, science‑backed strategies to improve sleep quality, align their body clocks, and support sustainable performance across longer working lives.
