The Paul Taylor Podcast
Wisdom Wednesdays: New Research On The Impact Of Caffeine On Sleep, And Some Supplements That Can Help Caffeine
Dec 19, 2023
The podcast discusses the impact of caffeine on sleep, highlighting a recent study that found a correlation between high caffeine intake and insufficient sleep. They also explore the role of the CYP1A2 gene in caffeine metabolism and suggest gene testing. The podcast concludes with a discussion on sleep-enhancing supplements, including Ashwagandha and Valerian extract.
06:46
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Quick takeaways
- Higher caffeine intake may increase the likelihood of experiencing insufficient sleep, challenging the guideline of limited caffeine intake.
- Genetic variants in the CYP1A2 gene can affect caffeine metabolism, with slow metabolizers experiencing a greater impact on sleep after consuming caffeine.
Deep dives
Caffeine intake and sleep duration
A cross-sectional study in Brazil examined the relationship between caffeine intake and sleep duration among university students and alumni. After adjusting for confounding variables and making quartile comparisons, participants in the highest quartile of caffeine consumption (over 93 milligrams per day) were found to have a 19% increase in reports of insufficient sleep compared to those in the lowest quartile. These findings suggest that higher caffeine intake may be associated with a higher likelihood of experiencing insufficient sleep, potentially challenging the commonly accepted guideline of limited caffeine intake.
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