Help...

So I've been speaking with guy and it's been going really great. Last night, he messaged me saying he was going to bed and that he'd speak to me tomorrow and everything was great. I messaged him back saying the same thing. I messaged him again a couple minutes later because I forgot to say something. Today I woke up and I hadn't heard from him, i know he was awake because he put something on Snapchat, he always replies to my messages regardless. Idk if he's even seen it. What do you guys think? X