A three-month-old baby’s habit of sucking on fists during the night may be a normal part of development.

The behavior of a 10-month-old baby frequently crossing their legs and curling their feet with force may be related to calcium deficiency. It is recommended to test for trace elements and supplement appropriately.

Biting lips in babies could be due to curiosity, subconscious behavior, or discomfort as teeth are erupting. Parents can offer a teething ring to soothe their baby’s discomfort.

Common questions and answers about why babies like to crawl onto people while they are sleeping.

Discuss the possible reasons for babies frequently biting their lower lip with their upper gum, and provide corresponding parenting suggestions.

Babies may shake their heads upon waking due to various factors, including developmental delays and calcium deficiency.

Babies sticking out their tongues is usually a normal phenomenon, but sometimes it may require a doctor’s assessment.

Babies might suck their fingers due to a deficiency in certain trace elements. Adjusting their diet and supplementing with essential nutrients can help improve the situation.

Parents inquire about the possible causes of a baby suddenly kicking its legs and crying during sleep.