How to help baby sleep at night?
Sometimes, when the baby is sleepy, he will cry. How to help baby sleep at night? Why do babies dislike sleeping so much? Why does a baby cry when sleeping? Many parents have…
What makes babies smile during sleep?
Why do babies like to smile? In fact, it because of imperfect brain development. There are two states of deep sleep and light sleep in babies’ dreams. A newborn’s sleep…