patang for babies

it's before sunset by 6pm best is for baby below 6 months. yes I believe initially I don't until I realize my baby very pantang I don't want to suffer. list 2 scenerio. 1. our family went out with friends for BBQ until 12am we reach home. baby slept from 12.30am to 2.30am to 4am stay wide awake very cranky keep crying slept at 4 plus wake up 6am same thing for 3 nights. 2 hour sleep cry 2 hour. 2. we went shopping home around 10pm. baby refuse to sleep until 2am. after she doze off she will cry in her sleep every 30 to 45 min till morning 6am.