WOW!! i found it !!!
i searched nearly two hours to find this song,
i had only the chorus-melody "Drowning in my sleep I'm drowning in my sleep" in my head, BUT not the songtext OR the artist!!
i only knew, that i heard it some days before.
The problem was, i didnt tagged the song,
so last.fm didnt scrobbled it and i couldnt find it in my "last heard songs"
i switched through several possible bands from that i thought i heard this melody
alexisonifre, silverstein, UNDEROATH, silverchair, my chemical romance, incubus, muse, even some german bands like phillip boa, tocotronic, wise guys, mariannenplatz and donots, until i lukilie ended again on underoath, and this time i switched to the right passage of thee song...
im so unbelievable happy that i finally found THIS AWESOME SONG again !!!