Why Does Coffee Make Me Sleepy? The Science Behind the Paradox

Why Does Coffee Make Me Sleepy? The Science Behind the Paradox

The first sip of coffee promises alertness, but for many, the second hour brings a crushing wave of fatigue. You’re not imagining it—there’s a biological reason why coffee makes you sleepy, despite its reputation as a stimulant. The paradox lies in how caffeine interacts with your brain’s chemistry, triggering a cascade of effects that can … Read more