Buried alive

I feel the walls too close to me
and everything here's black
i can already reach the ceiling
although i lie on my back
There's no way to get outside
there's hardly space to move
i don't know how i came in
i don't have any prove
So what has happened to me
i'm much to blind to see
oh please give me a clue
what i have to do
is it already too late
no chance to open the gate
is this really the end
time to reach a new land?
I don't know what has happened
and why i am in here
don't even know who i am
everything is much too near
Maybe i am buried alive
or my body - my body is dead
never had such a feeling
there are strange sounds in my head