feel better on lower dosage of vyvanese/amphnetamine salts?

[ZoomerSpicoid415]

I got a 10mg midday pill that was given to me by my doctor and he told me to take it from 12-3pm after taking my 30mg at 6-8am

I woke up at 5am and took the 10mg and im more wired than if i took a 30mg, wtf ddoes this meaan