Will late night sleep in infants affect growth and development?

Patient's question:

My baby is now 100 days old. Since birth, she has been sleeping from 12 a.m. to 1 a.m. During the day, she sleeps a lot, but if held and put down at night, she wakes up. She insists on sleeping only after 12 a.m. I've tried letting her sleep less during the day, but she still stays up late at night. Her feeding is normal—she is breastfed—and her weight has doubled since birth. Is this normal? Will it affect her growth and development? What are some good solutions?

Doctor's answer:

The baby has difficulty falling asleep at night and wakes up easily after lying down. It is likely due to increased nervous excitability caused by calcium deficiency.
1. It is recommended to consider that the baby may be calcium-deficient. You can give the baby some calcium gluconate oral solution and combine it with cod liver oil to enhance calcium absorption. Additionally, you can also give the baby some bone-strengthening granules.
2. Supplementing calcium while getting the baby to sleep a bit less during the day can help stabilize their deep sleep at night. Also, avoid letting the baby eat too full or engage in overly stimulating activities before bed.
Wishing the baby healthy growth~

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