What should the baby do if he doesn't sleep well for half a month at night and is easily startled and awakened?

The performance of the newborn's restless sleep: it is easy to wake up, the quality of sleep is not high, he loves to cry, and often makes all kinds of grunts, so the baby looks not very good. These are all manifestations of the newborn's restless sleep.

Too hot: when it is hot, the baby will feel very upset and can't sleep well.

Hungry or too full: the baby will feel uncomfortable and can't sleep if he eats too much. If he is too hungry, he will cry.

The baby is short of water, especially the baby who eats milk powder.

Uncomfortable diapers: If you don't change diapers often, your baby will feel uncomfortable.

There is something wrong with the baby's navel.