sopor-, sop-

(Latin: sleep, deep sleep)

unsoporiferousness (s) (noun), unsoporiferousnesses (pl)
A condition of animation and wakefulness: After Warren had his nap, he felt an unsoporiferousness and so he could go to work on his computer program again.

Related "sleep" units: dorm-; hypno-; letho-; narco-; oneiro- (dream); somni-.