My almost 2 month old sleep through night and skip his night meal. is it normal? what can i do to increase his meal during daytime? he eats only 2-3oz

Check growth chart: Some babies do start sleeping all night at this age although it is less common. Providing your baby isn't showing signs of illness and is growing well, this is likely not cause for concern. Feeding intervals every three hours while awake should be considered. Have your pediatrician plot the birth weight and current weight on a growth chart to be certain that this pattern is acceptable.