I assure you, a circadium rhythm disorder is not a choice. For some staying up late is a choice, it may be environmentally caused but for those with a disorder

I assure you, a circadium rhythm disorder is not a choice. For some staying up late is a choice, it may be environmentally caused but for those with a disorder it's not. It's a problem from birth. I'm speaking more about delayed sleep phase syndrome though, I dont know much about non-24.