It's rude to wake your siblings up when they're sleeping.
James is online in the middle of the night while his brother Sam sleeps and James wins a poker tournament.
James wants to tell someone he just won the tournament.
James goes to an online poker forum and posts a thread about having won a tournament.
James runs into Sam's room and shakes him while telling him he just won, and he's so happy.
Sam is fast asleep the rest of the night and is happy to learn the next morning that James won the tournament.
Sam is annoyed he's being woken up so abruptly and tells James to go away.