Bumping into objects, living in my head all day, failure to follow up on appointments, messy room, always lost things, moved around constantly, and more.
LSD, at least for me, was forced meditation.. you're in a mental state where the present moment is all there is. That was a complete opposite of the ADHD mental state, where I resisted being in the present, but lived in the future to look forward to, the past to avoid things I didn't like or could potentially hurt me, and just uncontrollable urge to understand how everything works.
The truth is, we only have so much time left on this earth, that it's impossible to understand everything that exists.. we can only try our best with the situations we're in and given.
Anyway, once I realized the importance of the present moment, it made it easier for me to do things I've always wanted to do, and neglected to do. I felt like my mind did a disk-defrag, completely nuked my old self, and started with a clean new slate to relearn things.
If ADHD is a mental problem that has roots in secret fears about yourself, I'm sure a psychedelic experience could uproot those fears and present them to the host to be resolved.
You might be of the opinion that mental problems are fixed however. If you are, there is nothing anyone can say to convince you. Many mental problems could be thought of as spiritual problems insofar as you're not understanding yourself and why you're here. This leads to secret fears, which drives the cogs of many people's gears, but their blindness moves them only in circles.
Again, you'll be without convincing if you are of the victim mentality. If you're not, psychedelics are widely known for inducing huge character changes because something deep happens. You can think of it as a rotted root made anew. The plant "out of nowhere" thrives. It's the same thing for your mind. Clean the mirror and the message shines forth. This is hard to understand for many humans who have many self-created messages dirtying their mind. Psychedelics literally turns all that stuff off and you get to have a real experience as a result.
I had a few of his issues, and didn't use LSD or any mind-changing substance, but a few events realigned my "desires" and now I aim for cleaner, organized. Half based on altruism too (family living with me are happier when this way). The brain is a complex spinning wheel.
I think it's important not to understate the importance of placebo in the effects, but psychedelics can lead you to confront the problems in your life in a way that you simply can't otherwise. These confrontations can be so profound and emotional that they leave a permanent impact on you. If you wrestle with the problems in your life, identify them as caused by ADHD symptoms, and commit to solve them while on LSD, you'll end up being very motivated to solve them.
This experience can be as impactful as when people "find god" while struggling through something and then finally find the willpower to overcome it. Actually it can be more impactful; consider that a psychedelic user perceives that they are meeting with God and God is directly telling them what they need to change and how they need to do it, while the born-again Christian has only thoroughly convinced himself that his own will is actually God's will instilled within him, via faith. The psychedelic experience is much more powerful and much less fragile than the religious experiences that we are used to hearing about helping people through hardships.
And ADHD is a condition whose effects can be entirely overcome through willpower.
What ADHD symptoms did it alleviate?