For boys, 12 years old is during the childhood stage, where their growth and development are relatively rapid. Parents can also feel the significant growth rate of their children. Of course, due to individual differences, the speed of growth and development may vary, but there is still a standard for growth and development. If a child falls below this standard, it indicates that there may be issues with their development, and timely examination is required. Generally, the average height standard for 12-year-old boys is around 138cm, and their weight should be between 38kg and 45kg.

1. Growth and Development Standards for 12-year-old Boys

The average height standard for 12-year-old boys is around 138cm, and their weight should be between 38kg and 45kg. If a child fails to meet these standards, whether it's too low or too high, parents should adjust accordingly based on the actual situation.

2. Nighttime Sleep is Crucial for Bone Development

Adequate sleep is essential for optimal growth and development in children. For 12-year-olds who want to grow taller, nighttime is a critical time to seize as the secretion of growth hormones is higher during the night compared to the daytime. Ensuring sufficient sleep is vital for the healthy growth of children.

3. Balanced Nutrition is Beneficial for Child Development

In addition to sleep, balanced nutrition is also essential for child development. However, some children at this age tend to be picky eaters, leading to unbalanced nutritional intake. This can affect their bone development and overall height. Therefore, parents should prepare diverse and appealing foods to stimulate their children's appetite and increase their food intake. Regular physical activities are also important as they help exercise the skeletal muscles and promote growth.