I know 'tis but a Dream, yet feel more anguish  
   Than if 'twere Truth. It has been often so: 
   Must I die under it? Is no one near? 
   Will no one hear these stifled groans and wake me?
Samuel Taylor Coleridge
http://www.poemhunter.com/poem/i-know-tis-but-a-dream-yet-feel-more-anguish-fra/