Why your afternoon coffee is still keeping you awake at midnight

In this reel

Your 3pm coffee may still be half-active when you try to sleep tonight Do you cut off caffeine before a certain time? Drop your rule below 👇

Transcript

That 3pm coffee? Still active at midnight. Caffeine's half-life is roughly five to six hours. So by 11pm, roughly half of it is still in your system. Caffeine blocks adenosine — your brain's sleep signal. Try cutting off caffeine by 2pm — your sleep will thank you.