There are multiple types of ADHD, so you two may be discussing different ones. The commonly used categories are 1. primarily hyperactive (cannot stay physicall

There are multiple types of ADHD, so you two may be discussing different ones. The commonly used categories are 1. primarily hyperactive (cannot stay physically still), 2. primarily inattentive (”daydreamer”), 3. combined type, with features from both 1. and 2.