Phone Addiction Scientist: Doing This Gives You An Hour Back Every Day! | Dr Sahar Yousef
Oct 15, 2026 · 2h 13m
Summary
Dr. Sahar Youssef, a cognitive neuroscientist, joins Steven Bartlett to debunk the myth of multitasking and explain how technology is engineered to hijack human attention. They discuss the biological laws of focus, emphasizing that sleep and digital hygiene are foundational to productivity, and reveal how apps use variable rewards and infinite scroll to create addiction. Youssef offers practical strategies, such as using grayscale mode, setting VIP notifications, and practicing "monotasking," to help listeners reclaim their cognitive resources and live in alignment with their brain's natura…
Topics discussed
Introduction and sponsor read
The myth of multitasking and short-form content
Guest introduction: Dr. Sahil Bloom
The biological laws of productivity and focus
Guest background and the Becoming Superhuman Lab
Case study: The distracted Fortune 500 executive
Sleep as the foundation of cognitive performance
The link between attention and memory
How tech platforms are designed to maximize engagement
The power of saying no and focusing on signal
Evolutionary biology: Why we are wired for distraction
The psychology of avoidance and phone addiction
The food industry playbook applied to social media
The impact of infinite scroll on loneliness
Practical tips: Grayscale mode and reducing screen time
The cognitive cost of over-consuming short-form content
Introducing portion control for content consumption
Sponsor reads: Ketones and LinkedIn Hiring
The Focus Sprint method: Steps 1 and 2 (MITs and LITs)
Defining your 'Everest' and the deathbed perspective
The concept of 'Pole Pole' and marginal gains
Focus Sprint Step 3: Hygiene, timers, and Parkinson's Law
The science of breaks: Why doing nothing is hard
Neural networks, rumination, and redirecting attention
Chronotypes: Aligning work with your biological clock
Agency, critical thinking, and the 'thinking class'
The cognitive cost of AI and mental shortcuts
Live demonstration: The multitasking myth experiment
How to become more lucky by priming your mind
Closing remarks, resources, and final sponsor
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