★.O.
You'd be tired too if you were 5 days old LOL If she's peeing enough (pooping is very individual, especially for breastfed babies, My daughter would poop every 4 days!), her fontanels aren't severely and always indented and she seems bright eyed and alert when awake, I'd say she's getting enough. Don't stress and wait until after the LC appt before doing anything new.