Does anybody else have similar effects with caffeine? Slept a full 8/8.5hrs of undisturbed sleep. I could sleep on a Monster. I always equated it to the fact that ADHD meds are stimulants that things with caffeine just sort of even me out. Caffeine and an Adderall crash A small dose of caffeine can help with a side effect of a stimulant medication. For me caffeine is super unpredictable for what it will do so I rarely ever have any, Caffeine is a stimulant, just like the most prescribed ADHD drugs, so that’s not surprising actually! it ranges for me, sometimes I drink a redbull and I'm ready to sleep in like 30 minutes. users here say they 'feel at home' and 'finally found a place where people understand them'. Caffeine can disrupt sleep, ... Caffeine, like ADHD medications, may affect one person differently than another. Caffeine makes me feel productive and happy but it screws up my sleep â¦ While in the average person, caffeine can spike up his or her energy, in people with ADHD, it works to help them mellow out. Caffeine can disrupt sleep and reduce blood flow to the brain in most people. Caffeine isnât bad; and if you become a smart caffeine drinker, you can still drink it and not get afternoon crashes. Like these medications, caffeine is a mild stimulant that can counteract ADHD symptoms. Its also being studied for effects on the gâ¦ I've very rarely had the jitters or high from caffeine that most people do. Caffeine seems to make the random wikipedia-clicking in my brain stop. So if we have no dopamine, you can't drop something that's not there.