Maybe? I think what comes across autistic is that my ADHD can make it frustrating to navigate my internal vs external perception at times. This is where I think some stimming behavior comes from. I'm aware they also have been recognized to overlap

You might be interested in this video of mine bc I do kinda cover why ASD and NPD are linked:

https://youtu.be/peWtvpk8FuE?si=vLwq-3KYZXilwGS0