Question: signs your child is ready to give up nap?
Answer: He is able to make it through the day with minimal behavior changes or melt-downs. This is usually a pretty easy one to read.
Night-time sleep increases. ... 
He doesn't actually fall asleep during a nap attempt. ... 
He is in an all day school program that doesn't schedule nap-time. ... 
He keeps up energy throughout the day.