Doctors Are Shocked by What This Common Drink Does Overnight

The Practical Protocol

Based on current research, a practical protocol for coffee-drinkers looks like this: one to three cups in the morning is associated with health benefits for most adults. A hard cutoff at noon or 1pm minimizes sleep disruption. Staying well-hydrated with water throughout the day addresses caffeine’s mild diuretic effect.




And paying attention to your personal caffeine sensitivity — which varies significantly based on genetics — helps you find the approach that works for your biology.