Guy hasn't texted?

Well I met this guy online a few nights ago, we talked had a great conversation and everything and he even gave me his number to text him. We talked that same night and he texted me the next morning when he got up. He lives close to me and is in the air force and had class and pt yesterday. We texted for a while and I was doing my hair and he wanted to see it so I sent him a picture and he showed me his new hair cut and he was exhausted and eventually passed out. I haven't heard from him since last night though. Did I do something wrong?