1. sleepless experiencing or accompanied by sleeplessness
  2. scrupulous characterized by extreme care and great effort
  3. sleepiness a very sleepy state
  4. sleeveless having no sleeves
  5. sleep late sleep later than usual or customary
  6. sleeplessly without sleep; in a sleepless manner
  7. sleepily in a sleepy manner
  8. surplus a quantity much larger than is needed
  9. helpless unable to function; without help
  10. sloppiness the wetness of ground that is covered or soaked with water
  11. sleepwalk walk in one's sleep
  12. slip noose a loop formed in a cord or rope by means of a slipknot
  13. shell-less of animals or fruits that have no shell
  14. scruples motivation deriving from ethical or moral principles
  15. lipless without a lip or lips
  16. sweet bells bushy deciduous shrub of the eastern United States with long racemes of pinkish flowers
  17. libelous harmful and often untrue; tending to discredit or malign
  18. sleep off get rid of by sleeping
  19. sleep out work in a house where one does not live
  20. syllepsis use of a word to govern two or more words though agreeing in number or case etc. with only one