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Which Tea Has the Most Caffeine (And What to Drink Instead)
Black tea typically contains the most caffeine among common teas, followed by oolong, green, and white tea, while herbal infusions are naturally caffeine free.
Green Tea vs Black Tea: Which One Won’t Disrupt Your Sleep?
Green tea is generally less likely to disrupt sleep than black tea due to lower caffeine and shorter stimulation, but timing has the biggest impact.


