prostration
noun
[ prɒˈstreɪʃ(ə)n ]
• the action of lying stretched out on the ground.
Similar:
collapse,
weakness,
debility,
lassitude,
exhaustion,
fatigue,
tiredness,
enervation,
emotional exhaustion,
paralysis,
desolation,
despair,
despondency,
dejection,
depression,
helplessness,