I felt like you this past summer, but I’m a Muslim and I’m encouraged in my religion to be happy for death cause you get to meet your creator(god) and all your worldly suffer and doubts and anxiety goes away. That’s the case if you are a good person and did things god commanded you to do, and repent a lot for your sins.

3

Sounds like paranoia have a chat whit a doctor about some medical advice on that and try to pick up some stress relieving breathing exercises

2