#10: Sleep & Caffeine – Part 1

Matt Walker investigates the "coffee paradox," revealing how your morning ritual acts as both a health ally and a silent sleep disruptor. While coffee provides life-extending antioxidants linked to lower risks of heart disease and Alzheimer’s, its caffeine masks adenosine - the b ...  Show more

Matt redefines melatonin as the brain’s "clock whisperer" rather than a sedative, and explains that the hormone signals biological night rather than forcing sleep. Drawing on a meta-analysis, Matt reveals that a 4mg dose taken three hours before bed offers the most effective nudg ...  Show more

In this episode, I explain how to use caffeine to enhance mental and physical health and performance, including the optimal dosages and intake schedules for caffeine. I explain how caffeine powerfully reinforces the consumption of certain foods and drinks—thereby increasing how m ...  Show more

In this moment, sleep expert and author of ‘Why We Sleep’, Matthew Walker discusses the 3 main reasons why caffeine is so terrible for sleep. Firstly, is that the impact of caffeine lasts long after drinking a cup of coffee. Caffeine has a quarter life of between 10 to 12 hours, ...  Show more

What We’re Talking About In This Episode! Is coffee feeding your chronic stress or fatigue? All the factors that can influence how coffee affects you How green smoothies helped me replace coffee The difference between caffeine in matcha vs caffeine in coffee Ways to give you ...  Show more

Are you one of the billions of people around the world who starts your day with a freshly brewed and deliciously aromatic cup of coffee or tea or maybe even hot chocolate? Or are you caffeine-avoidant, looking on at your coffee-addicted friends with confusion and maybe even pi ...