When I try to go to sleep in my own bed I can't. I've stayed up late and at times can't sleep. I have feelings of dred just lying down in a room by myself at night. In the past it was feeling like I going to die in my sleep and cease to exist and then no one it happened to me. 

Other times I jolt awake early on because of this. When the airport bombing in Afghanistan happened a few other instances I was kept away thinking about how they died, how young they were, and similar details. It's to the point I need to go into a living room and sleep on the floor. 

This has been happening to me again lately. I can sleep in another room on the floor and not have as much issue, but going into the bedroom and trying to find my own bed causes this dred and anxiety to the point often I can't lay down. Sometimes I can. Other times I can't. 

I'm not sure what causes this and what I can do about it. I've tried using white noise and other sleep sounds. It used to work, but doesn't. It's hard for me to comprehend.