Armada351

I am an 18 year old male and recently discovered that I feel very odd when I get in my bed to go to sleep. I will try and do my best to explain what happens exactly, but it is very hard to describe. After a while, after closing my eyes, I begin to feel as if I'm not really there. I feel like I'm not actually alive in some sense. I know I'm not asleep at the time because I can think through everything and know it's happening. I become very uncomfortable. I can hear things going on around me, normal things, but they just don't sound normal. Everything I hear seems to be miles away, but I know they aren't. If anyone has any information on what is exactly going on that would be very helpful. I understand if no one has anything because it is so difficult to explain. Thanks.