Song helppp?????????????? song, nightmare? plz help?

hey ive got this song stuck in my head, and i used to know it, cause i used to listen to it like everyday but then my brother deleted the song from my usb, and the only words i can figure out from the song is, "its a nightmare, nightmare. and the song is called nightmare but i cant find the band, and its not kayne west that sings it or pendulum or something, i think its a uk band, i dont know tho. plz helpp . THE SONGS CALLED NIGHTMARE, AND IT GOES SOMETHING LIKE 'NIGHTMARE NIGHTMARE, idk the rest plz helpp