I'd say it's perfectly normal for them to be talkative/noisy at night time. As long as their pen is secure and nothing can get to them, you have nothing to worry about...except getting no sleep!
~ Aspen
My bedroom is 'attached' to the garden, where some of the geese are. They keep me up all night. I get up multiple times during the night and check on them because they are so noisy! I figure they are just talking to each other. Get some rest.
~ Aspen