I had the same experience for my both children, they are now 5 yo and 16months.
Baby might get hungry as baby can't latch and drink probably. Last time, I just keep talking and encourage them to drink my milk. Give up it up. Then, eventually, they drink my milk.
As for sleeping at night, that was worst part for me too. They will just very alert at night time.
Last time, I have no choose and I put them on my chest to comfort them so that they could sleep and rest well.