ответ:1. Sleep is important for teens because it allows to child's mind and body to rest and recover.
2. A well-rested brain can solve problems, learn new information and enjoy the day a lot more than a tired brain.
3. ответ написан под фразой Physical symptoms, Cognitive (mental) symptoms и Emotional symptoms.
4. Sleep dept is when the child owes their mind and body sleep.
5. If the child doesn't sleep enough it can result in feeling emotional exhausted. (или опять же, под словами, выделенными жирным шрифтом)
1. If she were more careful about her diet, she isn't so stout.
2. You won't understand the rule if you aren't listen to the teacher.
3. If he is live in St. Petersburg, he would go to the Hermitage every week.
4. If you spoke English every day, you are improve your language skills.
5. If he is free tomorrow, he certainly is come to our party.
6. If you get a "five", your mother is happy.
7. If he isn't pass his exam, he will not get a scholarship.
8. If he did not live in St. Petersburg, we aren't meet so often.