ENT

 Mesmerized by the fish tank in the waiting room.
We took Ledger to the ENT and it went a lot better than we expected. They numbed his little nose with a spray, and then swaddled him in a blanket, which made it easy for us to hold him down.  The Dr. quickly took a look inside his nose with a tiny camera and we learned:
Ledger has extremely swollen adenoids Swollen turbinates  A deviated septum
His adenoids and deviated septum block off about 70% of his breathing. All the signs added up, including why he struggled breast feeding, constant drool, and sleepless nights.
We are going to wait a month and try a spray to see if it helps with allergies, and the turbinates.Then we will discuss surgery.
We can't wait to have Ledger breathing better, it will give me a little more peace when I put him down to sleep each night. 
We sure do love this little guy.
Thanks for all your comments, I learned a lot from all of you about adenoids/tonsils/turbinates and even herniated belly buttons. Looks like Ledge may have his belly button sticking out for much longer than we expected!