[It's late at what would be night when Sam sends the text, and he does it because he can't really sleep. Ever since his chat with Elena, his mind has been racing with memories and thoughts about Avery. It's when he's about to flip through their mother's journal again that he realizes he didn't even tell his brother what his wife had dropped off. So:]
no subject
hey, you awake?
[He's not expecting an answer. But it's a start.]