I'm panicking because I think I sold a suicidal woman my sleeping pills
Are you serious? How do you know the person is suicidal?
I saw her online profile after I sold them
You have no right to sell prescription pills to people. It's not only illegal but you can't put people's lives at risk. Also, you can go to jail for this.
She's a grown ass woman and it's not like I knew she was going to kill herself.
That's why it's important that people have their own prescription. You never know what someone is going to do, or why they couldn't obtain their own prescription. In the future I would advise you not to sell your prescriptions.