Till Death do I depart

I was in the midst of falling a sleep last night, or early this morning rather and a thought hit me that was actually a little scary. A thought popped in my head that I could totally not wake up in the morning. I could stop breathing in my sleep or someone could come in to my room and kill me in my sleep or whatever and I could transition into eternity. For me the whole death thing isn't really scary anymore. It's more so the transition that's freaky. I've often wondered what will induce my last breath and what way of end God has for me. I was reading a book on worship and there's a part in the book that talks about lifes end and the author talks about a coin he saw that had the yoke of an ox on one side and a butcher knife on the other and it said