Ay normal lang yan, mama! Around 2 months, maraming babies start shifting their sleep patterns, less naps during the day, longer stretch at night, so actually maganda na yan na nakatulog siya ng 5-6 hours deretsong gabi! About sa sucking kahit full na siya, iba-iba talaga, sometimes comfort nursing lang yan, sometimes they're comfort seeking dahil antok na antok or may leap na nangyayari. A few of us moms noticed ito sa aming babies around this age na parang mas gusto nilang mag-comfort suck when they're drowsy. But if you're worried na hindi siya kumukuha ng sapat milk or if she seems uncomfortable, better check with your pedia just to make sure lahat okay lang. You're doing great, first-time mom!