If you noticed your baby is crying more than usual, has changed his/her eating habits, or is sleeping more restlessly, it may indicate the first mental leap is underway (begins around 5 weeks).

Children between 12-18 months undergo rapid development. This often means it's time to adjust the sleep schedule once again – please find our suggestions here.

When your baby is 9-10 months old, it's often a good time to adjust the sleep schedule. Here's our suggestion.