i need fast advice, the anxiety over this situation is killing me.

Please girls, I'm shaking in bed rn and I'm stressed. I'm LD with my bf and therefore only see him every second weekend. Hes generally a really shit texter which stresses me badly. But usually we call every night but he stopped replying at like 17:00 today, ignored my last message and hasnt been online since...😭😭😭😭😭😭😔😔😔 he hasnt called either I'm so stressed how am I gonna get to sleep?