Happy Mind, Happy Life

Happy Mind, Happy Life: 10 Simple Ways to Feel Great Every Day. A science-backed guide to a calmer, happier you.

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BITESIZE | The Power of Light To Transform Your Health | Linda Geddes

by Dr. Rangan Chatterjee   /  December 18, 2020

Sleep is one of the most important pillars of health.  Our bodies and our brains are designed to function during the day and rest at night.

Feel Better Live More Bitesize is my new weekly podcast for your mind, body and heart.  Each week I’ll be featuring inspirational stories and practical tips from some of my former guests.

This week’s guest is award-winning journalist, Linda Geddes.

Circadian rhythms are 24-hour cycles which are kept in time by light and dark cycles. These rhythms can become disrupted by changing our exposure to light which can affect our sleep and make us feel sluggish during the day.

Exposure to bright light after sunset is a modern phenomenon.  Darkness is a signal to our bodies that it’s time to rest and access to bright light and screens at night disrupts these signals.

There are simple things that we can do to help reset our circadian rhythms.  Linda shares the findings of her own experiment of getting rid of light at night in her own home.

Finally, she gives her tips on what we can all do to get more light into our days and darken our nights.

Access to sunlight, even in winter, is crucial for living a happy and fulfilling life.  I hope you feel inspired to get outside!

Disclaimer: The content in the podcast and on this webpage is not intended to constitute or be a substitute for professional medical advice, diagnosis, or treatment.*

Watch the full conversation with Linda Geddes here:

Audio version: #77 Why Getting More Light Will Transform Your Health with Linda Geddes

Dr Chatterjee’s books and resources:


*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