The Matt Walker Podcast

#53 - Sleep & Antioxidants


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In this second part of his series on sleep, free radicals, and antioxidants, Matt delves into the fascinating connection between sleep and oxidative stress. He begins by recapping the previous episode's discussion on free radicals and oxidative stress, highlighting the recent studies that have revealed one of the functions of sleep: to counteract the harmful effects of free radicals. 


Curiosity leads Matt to question why total sleep deprivation often leads to death in different species without a clear cause. The focus shifts to a groundbreaking study from Harvard, where researchers examined oxidative stress and free radical damage in fruit flies subjected to sleep deprivation. Surprisingly, the study revealed that the oxidative damage was concentrated in the gut rather than the brain or other major organ systems. Further analysis unveiled the detrimental consequences of the free radical accumulation in the gut, including DNA damage, cell death, and tissue necrosis. Additionally, the researchers discovered that certain antioxidants, notably melatonin, offered protection and prevented premature death caused by sleep deprivation. Matt emphasizes the importance of considering the findings with caution, as the experiments were conducted on flies and not yet explored in humans. Nonetheless, the study sheds light on the precise mechanisms linking sleep deprivation, oxidative stress, and the gut, providing valuable insights into the profound impact of sleep on overall health.


Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way. 


The good people at InsideTracker are one of the sponsors of this week's episode, and they are generously offering a special 25% off any one of their programs for anyone who uses the above link during the time window of this episode. InsideTracker is a personalized biometric platform that analyzes your blood and your DNA to better understand what's happening inside of you and offers suggestions regarding things that you can do to better try and adjust some of those numbers, optimize them, and, as a result, optimize you.


Another sponsor this week is the biochemical electrolyte drink company LMNT, and they are very kindly offering eight free sample packs when you purchase any one of their orders at drinklmnt.com/mattwalker. LMNT is an electrolyte sports drink that I can get behind - it's created from the basis of science, and it has no sugar, no coloring, and no artificial ingredients – all qualities that are so important to maintaining your blood biochemical balance. If you want to give LMNT a try, just head on over to drinklmnt.com/mattwalker and get your eight free samples with your first purchase. 


As always, if you have thoughts or feedback you’d like to share, please reach out to Matt on Instagram.



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The Matt Walker PodcastBy Dr. Matt Walker

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