https://infocusfirst.com/why-caffeine-calms-adhd-brains/ Recognizing the Caffeine Calm

For someone without ADHD, an espresso shot usually leads to a burst of energy, a faster heart rate, and sometimes a jittery feeling. But if you have ADHD, your response to that same cup of coffee might look very different. You might notice:

• A sudden feeling of physical relaxation or sleepiness.
• The “mental noise” finally quieting down.
• An improved ability to sit still and concentrate on a single task.
• Less urge to fidget or jump from one activity to another.

These reactions can be confusing, especially when everyone around you relies on coffee to wake up and start their day.

To understand why this happens, we need to look at how the ADHD brain is structured and how it processes certain chemicals.

Caffeine, a stimulant, can have a calming effect on people with ADHD because their brains often have lower baseline levels of dopamine. The boost from caffeine helps bring their dopamine to a more optimal level, which can reduce the brain's constant search for stimulation. This quiets the mind, leading to feelings of calmness and improved focus. While this effect is similar in principle to how prescription ADHD stimulant medications work, caffeine is not a substitute for a comprehensive treatment plan, as its effects are less predictable and can interfere with sleep.