The need for sleep is equivalent to the importance of the human need for food and breathing. Lack of sleep if accustomed to can cause various adverse effects on health. Then, what happens if we lack sleep? Sleep has an important role for the body. At sleep, the body will improve itself, both physical and mental conditions, so we feel refreshed and energized when we wake up, and ready to undergo activities throughout the day. In addition, sleep also helps the process of growth and development, especially in children and adolescents, because it is during sleep that growth hormones are released. Which Can Happen If You Lack Sleep Everyone's sleep needs are not the same. But in general, it takes quality sleep for 7-9 hours every day, so that the important functions above can run optimally. For children and adolescents, sleep needs range from 8-10 hours every day. Insufficient sleep needs, can cause you to look tired when you wake up, yawn throughout the day, and difficult to con