I occasionally quit caffeine as a way to recalibrate the tolerance that develops over time. But, within certain limits (my general consumption is 1-2 coffees a day, sometimes 3-4 if super tired or when exercising), there's very few negatives for most people, and quite a number of benefits. Nice explanatory video on the matter: ▶ this video
in “Quitting Caffeine” · View on HN