3min chapter

Feel Better, Live More with Dr Rangan Chatterjee cover image

#111 How to Get a Good Night’s Sleep: The Very Best Tips on Sleep

Feel Better, Live More with Dr Rangan Chatterjee

CHAPTER

Kafine Can Help You Stay Awake

Kafine is probably the second most traded commodity on the surface of the planet, after oil. Most drugs have what we call a half life, the amount of time it takes for half of that drug to be essentially excreted out your system. Kafine has a quarter life of about 12 hours. If you have a cup of coffee at noon, a quarter of that kaffine is still circulating around your brain at midnight.

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