Are Ethan's naps gone?

Ethan decided today that he didn't need to nap.  He did pretty well, playing and being relatively quiet.  I was wondering if this meant the end of naps altogether.

At 3:58 pm I thought Ethan was a little quiet so I checked up on him.  This is what I found:

I guess I don't have to worry about him phasing out the nap yet.