Things that you can do before sleep:
reading a book
showering
listen to music, podcast
family
You generally need less sleep as you age, as a teen you need slightly more sleep than adults
Are teens just lazy?
Teens tend to go to bed later and wake up later, this is biologically driven by a shift forward in their circadian rhythm the internal body clock that guides daily sleep-wake cycles
Positives of sleep:
Your brain grows ( improved memory ), good mental health, recovery
negatives about not getting enough sleep: bad mental health, short-tempered, tired, depressed