My baby is 4 months and a week old and she use to fall asleep being rocked now she will not fall asleep for nothing she just screams...I know that if they get overly tired that its harder for them to go to sleep but this screaming just started it seems like a week before she turned 4 months, and I know she is tired because she keeps rubbing her eyes. advice please is this a stage they go through? what did you do to help them go to sleep. It's not just once it's everytime she gets tired.