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