Sleep, Darksome, Deep

Sleep, darksome, deep,
  Doth on me fall:
Vain hopes all, sleep,
  Sleep, yearnings all!

Lo, I grow blind!
  Lo, right and wrong
Fade to my mind….
  O sorry song!

A cradle, I,
  Rocked in a grave:
Speak low, pass by,
  Silence I crave!