Most teenagers naturally wake up at 9am
True
Texting your friends at night will help you go to sleep
False
Teenagers need to sleep about 9 hours per night
True
Bright lights from screens make it difficult for your body to produce melatonin
True
Your body produces melatonin in the morning
False
Students in the USA start school at 7.15am
True
Adults need less sleep than teenagers
True
Melatonin is a hormone
True
It's easier to sleep if you're listening to loud music
False
Children and teenagers have the same body clocks
False
Your body clock stays the same during your whole life
False