Depending on how you die the process can be horrible. I guess dying instantly from some kind of trauma is the easiest way to go. I have to believe the “unknown” is irrelevant because our consciousness no longer exists. Whatever atoms made us a human are simply reabsorbed into the universe. Neil deGrasse Tyson the astrophysicist has some great insights into this. If you check him out on youtube you find his speculation about god and human death