Перевод : Недостаток сна приводит к плохой концентрации в школе, раздражительности и проблемам со здоровьем.
The text typically explores the biological "body clock" and why teenagers often struggle to get enough rest. Below is a breakdown of the key points and a translation guide to help you master the material. Key Vocabulary from the Text — Биологические часы
: Many teenagers find it hard to go to bed early because their biological clocks shift during puberty, making them feel more awake late at night.
: You can find the full digital version of the textbook and additional audio materials on the official Lingvo Adu portal.
: Look for verbs like should , must , and ought to which are frequently used in this unit to give advice on health.