Crying/Gasping in Sleep--Periodic Breathing?

[Pestle]

Got a brand-new infant, just turning 6mos now, is rolling and getting ready to crawl. It's their second day so they're not pleased. Lots of screaming...

[jenboo]

I have never experienced this before and want to see if its normal or if there is anything I can do.
I have a 5 month old dcb. He naps 9-11 and...