Reverse cycle feeding....

[b bright]

Is this a bad thing?

My 6 month old has started doing this. He won't take a bottle at all. Daycare keeps sending home papers saying he only had an ounce all day. I feed him at the latest 5:30-6 am. Then he doesn't eat again until sometime between 4-5:30 pm. So almost 12 hours with NO feeding. Then he doesn't really eat a whole lot til later at night and he wakes many times over night to eat. The last day we were separated he did not eat at all while I was gone. He is not losing weight and is at 21 pounds and still has tons of wet diapers but I'm scared its something bad?!? Any advice?!