How long does you baby sleep and as a newborn were they bad sleepers so woke up every 2 3 hrs or just failed to sleep and now how long do they sleep in the night and what age are they ??

How long does you baby sleep and as a newborn were they bad sleepers so woke up every 2 3 hrs or just failed to sleep and now how long do they sleep in the night and what age are they ??