The name of this condition comes from the Greek for "deep sleep"
The word is from the Greek  koma, meaning "deep sleep") ..... 
After this time, some patients gradually come out of the coma, some progress to a
... [DOC] [TLE] Sopor (sleep) - Wikipedia [PAR] Sopor is a condition of abnormally deep sleep or a stupor from which it is difficult 
to rouse.