It's rude to call someone when they're sleeping.
James was watching cartoons at 2 AM and heard a really funny joke.
James wants to share the joke with his best friend.
James waits until the next day at school to tell his friend the joke.
James calls his friend at 2 AM to recite the joke.
James' friend laughs and tells James that's the funniest thing he's heard all year.
James' friend swears at him and throws the phone across the room.