Is it harmful for children to sleep late?

Children occasionally late to bed has no effect, long-term late to bed may affect growth and development, reduce immunity and other hazards.
1. No effect: children are occasionally late to bed one or two nights, will not have any effect on their growth and development.
2. Impact on growth and development: the child sleeps into a deep sleep at night, the pituitary gland will secrete growth hormone to stimulate growth and development, late to bed will reduce the sleep time, miss the deep sleep time, the body secretes less growth hormone, the child’s body is thin and small, which affects the growth and development.
3. Lower immune system: Children who go to bed late for a long time and sleep less every day will lower their immune system and increase the chances of bacterial and viral infections, making them prone to illness or physical discomfort.
Children should develop the habit of going to bed regularly every day and try to avoid going to bed late.