Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder defined by inattention and behavioral dysregulation. Sleep disturbances are frequently reported in ADHD and strongly associated with circadian rhythms and sleep-wake regulation. Given the pivotal involvement of orexin, leptin and ghrelin systems in the modulation of cognitive, metabolic and circadian functions, this study aimed to investigate whether serum orexin-A, orexin-B, leptin and ghrelin levels are associated…
