I always thought sleep disturbances were a universal symptom of @adhd. So much so, I was wondering if the other symptoms might in fact be caused by chronic sleep deprivation. Nope.

Turns out that less than half of us have trouble sleeping. 44.4% according to this study;

doi.org/10.3389/fpsyt.2021.663

So is it even an ADHD symptom? Yes. Huh? Turns out the prevalence of sleep disorders in the general population is significantly lower. 33% according to;

doi.org/10.4103/2249-4863.2011