Sleepines or Sleepiness: How To spell?
The word Sleepines is misspelled against Sleepiness, a noun meaning "The quality or state of being sleepy."
Sleepiness has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  sleepine-s  Correct Spelling:  sleepine-ss 
Find more wrongly spelled words of Sleepiness to spell it well.