1. Research suggests that teenagers need between 9-10 hours sleep per night.
2. Teenagers experience a hormone time adjustment which pushes your body clock forward an hour or two so you feel sleepy later. However, due to early school starts you can't sleep in and can suffer sleep deprivation.
3. Chronic sleep deprivation can lead to moodiness, depression and poor academic achievement.
4. Recreational drugs (including alcohol, caffeine and cannabis) and chocolate can lead to broken sleep.
5. Even 30 minutes extra sleep a night can make a difference.
Source and more information: https://www.betterhealth.vic.gov.au_