Feel Better, Live More with Dr Rangan Chatterjee

What Your Sleep Is Trying To Tell You: How To Fix Your Sleep Problems, Reset Your Brain & The Difference Between Fatigue and Tiredness with Guy Leschziner #528

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Feb 26, 2025

In this engaging discussion, neurologist and sleep expert Guy Leschziner dives into the common sleep struggles affecting nearly 40% of adults today. He explains the critical difference between chronic sleep deprivation and clinical insomnia, alongside effective treatments like CBT-I. Leschziner also highlights how lifestyle factors, such as caffeine and blue light exposure, impact sleep quality. With insights on tailored sleep strategies for shift workers and the profound link between societal sleep issues and overall well-being, this episode is a must-listen for anyone seeking better rest!

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INSIGHT

Modern Sleep Problems

Some pre-industrial societies lack a word for insomnia, suggesting modern life's role.
Modern pressures and detachment from natural light cycles may contribute to sleep problems.

INSIGHT

Biological Sleep Disorders

Biological sleep disorders have likely always existed.
Modern tools now enable diagnosis, revealing a range of sleep conditions.

INSIGHT

The Purpose of Dreams

Dreams serve multiple functions, including emotional processing and memory consolidation.
REM sleep may also refine our internal model of the world.

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Did you know that up to 40% of adults in Western countries struggle to get enough sleep?

While some societies have historically never even had a word for insomnia, our modern world has created an epidemic of sleep problems, which affect not only our creativity, empathy, appetite and mood but countless other aspects of who we are, too.

This week's guest is Professor Guy Leschziner, a neurologist at Guy's and St Thomas' Hospitals in London and a professor of neurology and sleep medicine at King's College London. He is also the author of several books, including The Secret World Of Sleep: Tales of Nightmares and Neuroscience and his latest, Seven Deadly Sins: The Biology of Being Human.

In this fascinating conversation, we discuss:

The crucial distinction between chronic sleep deprivation and clinical insomnia - understanding which affects you is key to finding the right solution
The importance of sleep quality - not just quantity - and why some people can sleep for hours, yet still feel unrested
An incredible treatment called CBT-I (Cognitive Behavioural Therapy for Insomnia) which has an 80% success rate for insomnia
The real impact of common lifestyle factors on sleep - like caffeine, screen time, and blue light
The pros and cons of sleep trackers
Practical strategies for shift workers - discover how to adapt your sleep schedule if your work includes irregular hours
The fascinating connection between societal sleep deprivation and our collective wellbeing

With over two decades of experience running sleep disorder clinics, Guy brings clarity to the often confusing world of sleep, offering evidence-based insights and practical solutions throughout our conversation.

As he points out, our sleep needs are highly individual, so I hope this episode guides you in finding the approach that works best for you.

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Show notes https://drchatterjee.com/528

DISCLAIMER: The content in the podcast and on this webpage is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your doctor or qualified healthcare provider. Never disregard professional medical advice or delay in seeking it because of something you have heard on the podcast or on my website.