The biggest dilemma which new mothers face is to keep producing enough milk. The secret is night time feeding. Prolactin hormone, the lactating hormone reaches its peak in the night time. We all should know that our hormone levels maintain a cycle and their levels in our blood vary with the time of the day. So with prolactin (chiefly a 3: 00 am. If mothers feed the baby even once during the night, the stimulation by the baby sends a direct signal to the brain and increases milk production.