"2. I have sugared them up before bed time. I broke the cardinal rule and sugared up my own kids before bed. I know there are some studies out there that claim sugar really does nothing to children, but I, for one, think they are lying. Those studies must have been sponsored by the sugar industry. Anyone who has a given a kid sugary sweets before bed will tell you that sugar does make them crazy."

it is true that sugar does nothing! it's the caffeine in the sweets!
here is a list of all the candy that has caffeine in it and the amount too:
http://www.energyfiend.com/caffeine-in-candy