Teenagers need plenty of sleep. This is because they do better in school. Their brains have rested enough and recharged so that they can do their best throughout the day. If you don't get enough sleep, you become sleep and doze off during classes. The average teenager should get 10-12 hours of sleep on weekdays and 13-15 hours of sleep on weekends. --- Teenagers can learn more between 11-16 so they can concentrate on school and so they don't get angry, stroppy and stuff. I am a teens i cant belive that i am talking about teens this way! Teenagers are constantly growing it is scientifically proven teens need more sleep!
Because they haven't had as much sleep as you have and they need to catch up on their sleep and that is why the older they get the less they sleep beause they are getting caught up.
The amount of sleep may vary so much, although most of adults get restored after 5 to 8 hours of sleep.
You will need to ask him that ! or try asking your mom.
THey need to eat a lot so they can grow. That's why they sleep a lot too.
My doctor has told me that tweens need 9 hours of sleep a night! A Sleep Doctor should tell you to sleep 10 hours of sleep not 9 hours. Now Adult can sleep up to 6 hours, there bodys don't need that much sleep:)
at least 8 hours of sleep
Lizards needs 11hrs of sleep
It needs as much sleep as it can get the breed of dog you have is very active and big meaning it needs as much sleep as we humans get because it has to keep its muscles well rested so it can stay active
an adult need sleep of maximum 8 hours.
You do not need to sleep and doing so offers no bonus
Athletes need more sleep so they can be less tired when they need to perform.
between 5-7 hours of sleep. Children need at least 7-8 hours of sleep