It may need increased. You may want to call the pdoc and let them know what is going on and see what they think about increasing the melatonin. It is a safe supplement from what I know of it but they may want to increase the other meds or add one instead. I know my DS's experience with Abilify is that it seems like every 6-9 months he is having the dose raised.

Nicole - Sometimes ... Sleepless in Seattle
Dale age 14 - Bipolar w/pychosis 1/2009 Revised from:
Diagnosed Bipolar w/schizophrenic tendencies & ADHD 2/2006 (after 8 long years of searching for a diagnosis) Meds: Abilify 15mg at night, Risperdal 5mg at night
William age 11 - Healthy