Hello, has anyone had panic attacks after childbirth?

Hello, has anyone had panic attacks after childbirth? I've never had them and don't know if they are, recently started: as soon as evening comes, outside is dark, if my husband goes somewhere - to the store, to friends, for business and I stay home alone. I immediately feel bad, fear, anxiety, my heart beats fast. I constantly look around, just nervous, ready to defend myself, I start crying from fear, literally sobbing and can't stop. And if someone is at home, anyone, then I immediately calm down. Yesterday my husband had to go to work, so he left his friends with me so that I wouldn't be afraid. What could this be? Before that I was