1. How much hours teens need to sleep?
2. Why teens go to bed late?
3. Why in some schools classes start later?
4. What can help my body and mind work better?
5. Why necessary sleep 8 or 9 hours?
1. How much hours teens need to sleep?
2. Why teens go to bed late?
3. Why in some schools classes start later?
4. What can help my body and mind work better?
5. Why necessary sleep 8 or 9 hours?