Why do 4 year-old not take naps?

Our 4 year-old start transitioning towards a big-kid schedule, thus they normally do not take naps.

 

"I love Winchester because I get to see my friends every day! "

~ Massimo, Kindergarten

"If you want children to keep their feet on the ground, put some responsibility on their shoulders."

~  Abigail Van Buren