Why We Sleep with Matthew Walker PART 2
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Dr. Chatterjee talks to world-leading sleep researcher, author of the international best-selling book Why We Sleep and Professor of Neuroscience and Psychology at the University of California, Matthew Walker. They discuss everything you ever needed to know about sleep in this 2-Part interview. In Part 2 they discuss how sleep affects every aspect of our health – how sleep deprivation can affect our blood sugar levels, increase our risk of heart attack and impact our mental health. They discuss alcohol’s impact on sleep and the staggering financial costs associated with lost sleep. Finally, Matthew provides his top tips for optimising your sleep.
Episode Highlights:
- PART 1 of the podcast.
- Feel Better Live More Podcast Survey
- How does sleep affect other areas of our bodies?
- When the clocks change, how does daylight-saving affect heart conditions?
- How does sleep affect our immune systems?
- Why do we want to rest & sleep when we become ill?
- Rangan & Matthew discuss the lack of sleep education in UK medical schools.
- FB Live with Matthew Walker
- Lancet paper – A sleep prescription for medicine
- Can improved sleep help our mental health?
- Rand Corporation survey – Why Sleep Matters: Quantifying the Economic Costs of Insufficient Sleep
- What are the financial costs associated with lack of sleep?
- What are Matthew’s top tips to improve sleep?
- Why is it important to ensure our beds are associated with sleep?
- How does alcohol affect our sleep?
- How does lack of sleep affect your ‘eating’ hormones?
Watch the video version of this interview in full below.
Further reading:
- The Lancet – A sleep prescription for medicine
- The Guardian – How to boost your business? Let workers sleep
- Independent – 14 of the biggest sleep myths debunked
- Tech Insider Sleep tip videos with Matthew Walker:
Dr Chatterjee’s resources:
- Feel Better Live More Podcast Survey
- FB Live with Matthew Walker
- Blog article – 4 Tips to Help You Sleep
- RCGP accredited Prescribing Lifestyle Medicine course
*DISCLAIMER: Always seek the advice of your doctor or other qualified health care provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have heard on the podcast or on my website.
†Disclosure: All books marked with a †are hyperlinked to an affiliate program. We take part in Amazon’s affiliate advertising program designed to provide a way for us to earn fees by linking to Amazon’s website. You are not charged any extra by using these links to purchase books.

Dr Rangan Chatterjee
MbChB, BSc (Hons), MRCP, MRCGP