State of inactivity (6)
(Other definitions for stasis that I've seen before include "lack of progress" , "Cessation" , "lack of action" , "Stoppage, arrest" , "Total lack of movement" .)
'state of inactivity' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for torpor that I've seen before include "Apathetic state" , "State of sluggish somnolence" , "Sluggish and inactive state" , "Apathy, inertia" , "State of sluggishness and inactivity" .)