Boys who go to bed after 11:00 during the growth period will have an impact on both the body and the spirit. Body: If you often go to bed after 11 o’clock during the important period of growth and development, and the night is the peak stage of hormone secretion, staying up late is not conducive to the secretion of growth hormone, which may lead to slow growth and development or even premature cessation of growth and development, in addition, staying up late will aggravate the burden on the liver, resulting in the organs load work. Mental: Staying up late can lead to lack of concentration, mental depression, memory loss, etc. For boys in the growth period, it will affect the daily study life. Boys in the growth period, in addition to the need to meet the requirements of sleep, but also to ensure that the daily nutritional requirements, supplemental protein, eat more fresh fruits and vegetables.