How Do I Accept My Child's Natural Rhythm?

i agree with you. So the assumption of positivity, that children prefer to behave well and not, i suppose to. This person says, i'm stuck on the fact that my 12 year old needs to get to bed earlier to get the sleep he needs. But he's a night owl. No matter what we do. Even if he goes to bed at seven 30, he won't go to sleep until midnight. How do i accept his natural rhythm, given that he needs to get up for school am, but knowing that he needs sleep for his helt? There's a gito, really netty greety example of how you accept your child the way they are, but