Please opinions or advice SLEEPING WITH DOGS!

I am a first time human mommy but i have two furry babies. A 7 year old chihuahua and a 2 year old pitbull. Both are sweet and friendly and well behaved. Please dont say anything mean about my dogs because of the type of dog they are. They both sleep in the bed with my husband and myself, and they sit on the couches as they please. As the baby arrives, what's gonna happen! Im

Completely at lost about this subject. Anybody has any advice for me on sleeping arrangements or general training or experiences with their dogs??? Please share

thank you!!!