Fwiw, I believe there is a significant correlation between ADHD and sleep disorders (at least, that's what my psychiatrist told me when discussing my sleep prob

Fwiw, I believe there is a significant correlation between ADHD and sleep disorders (at least, that's what my psychiatrist told me when discussing my sleep problems during an ADHD checkup appointment recently - but I haven't researched this independently), so it's not necessarily one or the other.