Slepwalker or Sleepwalker: How To spell?
The word Slepwalker is misspelled against Sleepwalker, a noun meaning "One who walks in his sleep; a somnambulist."
Sleepwalker has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Sl & pwalker which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-pwalker  Correct Spelling:  Sl-ee-pwalker 
Explore spell check of Sleepwalker to spell without errors.