
1) Comalike sleep 2) Deep sleep 3) Deep, unnatural sleep 4) Extreme lethargy 5) Lethargic sleep 6) Lethargic state 7) Lethargy 8) Listlessness 9) Profound sleep 10) Profoundly deep sleep 11) Profoundly lethargic state 12) Sleep 13) Sleepiness 14) State of deep sleep 15) Unnaturally deep sleep 16) Very deep sleep
Found on
https://www.crosswordclues.com/clue/sopor

Latin, meaning: deep sleep.
Found on
http://archives.nd.edu/sss.htm
[sleep] Sopor is a condition of abnormally deep sleep or a stupor from which it is difficult to rouse. It involves a profound depression of consciousness, which is manifested by drowsiness, while maintaining coordinated defensive reactions to stimuli such as pain, harsh sound, and bright light, and preserving vital functions. Sopor may be c...
Found on
http://en.wikipedia.org/wiki/Sopor_(sleep)

• (n.) Profound sleep from which a person can be roused only with difficulty.
Found on
http://thinkexist.com/dictionary/meaning/sopor/

(so´por) unnaturally deep or profound sleep.
Found on
http://www.encyclo.co.uk/local/21001
So'por noun [ Latin ]
(Medicine) Profound sleep from which a person can be roused only with difficulty.
Found on
http://www.encyclo.co.uk/webster/S/146

Type: Term Pronunciation: sō′pōr Definitions: 1. An unnaturally deep sleep.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=82927

Sopor: Abnormally deep sleep, an unusually profound sleep, a stupor from which it is difficult to rouse a person. Sopor may be due to a drug. 'Sopor' is Latin for 'deep sleep.' The root is 'somnus,' the Latin for 'sleep' (and the name of the Roman god of sleep.) 'Soporific' has the same derivation.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=17887

sopor A profoundly deep sleep.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1988/
noun a torpid state resembling deep sleep
Found on
https://www.encyclo.co.uk/local/20974

deep sleep.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.