during intra uterine period baby usually sleep during day time due to rocking movement of amniotic fluid
. and during night they are awake usually in intra uterine period.
after birth has no such uterine environment . this change of night time awakening to night time sleep take at least two to three month . in some it may take 5 to 6 month . in your baby this seem to be normal .
but before saying normal
we must check for some physiological and some pathological condition
like ,wet diaper, mosquito bites , hungrey baby. nasal blockage etc