Slepwalking or Sleepwalking: How To spell?
The word Slepwalking is misspelled against Sleepwalking, a noun meaning "Walking in one's sleep."
Sleepwalking has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Sl & pwalking which should not be misspelled with single 'E'
Wrong Spelling:  Sl-e-pwalking  Correct Spelling:  Sl-ee-pwalking 
Find more wrongly spelled words of Sleepwalking to spell it well.