Latin, "deep sleep, lethargy," from PIE *swep-os-, suffixed form of root *swep- (1) "to sleep" (see Somnus).
sopor so·por (sō'pər, -pôr')
n.
A deep, lethargic, or unnatural sleep.
A sedative drug, methaqualone; Quaalude2: an apparently insatiable market for the ''sopers''
[1960s+ Narcotics; fr Sopor, the trademark of a brand of the drug, fr the Latin root for ''sleep'']