sluggish inactivity or inertia.

lethargic indifference; apathy.

a state of suspended physical powers and activities.

dormancy, as of a hibernating animal.

noun

apathy , disinterest , dormancy , drowsiness , dullness , idleness , impassivity , inaction , inactivity , languor , laziness , lifelessness , listlessness , passiveness , sleepiness , sloth , slowness , sluggishness , slumber , stupor , torpidity , torpidness , hebetude , languidness , lassitude , leadenness , coma , lethargy , sleep , stagnation