1) mental fatigue (with poor attention, memory, concentration, retention, etc.) with ADHD
and other learning disabilities. 2) Physical fatigue (times of low blood pressure, feeling "lazy," poor motivation, easily winded-feeling, unrefreshed, need to sleep long hours, unalert until late morning/afternoon, naps, brief sleep interuptions, post nasal drip, etc.) 3) Easily stressed, affecting mental/emotional/physical, twice even leading to brief agitation and atypical psychosis.