how can I make my baby chubby and how often should I feed him if he sleeps 4 hours straight should I let him be

A. Namaste Mom If you are a breast feeding mother it is always ideal to feed on demand as such as the quality and quantity of feed varies avoid waking the baby from sleep as such for feeding once hungry they would have a healthy and filling diet before baby feed time as helps in production of good quality feed which helps in weight gain