20/08/2023
Whether it's in coffee, tea, soda, energy drinks, or chocolate, caffeine triggers your brain to stay awake. And although these effects begin quickly (within an hour), they also linger in your body longer than you may realize. Half of the caffeine in your drinks is still in your system 3 to 5 hours after you drink it. To make sure your sleep doesn’t pay a price, avoid all caffeine after 1 p.m.