She felt all right. Her heart was like a drum hanging from piano wire in her chest, slowly, slowly beaten. Her hands and feet were numb, not with cold but with a sultry torpor. Thoughts moved with a tranquil lethargy, her brain a leisurely machine imbedded in swaths of woolly packing.She felt all right.
Richard Matheson, I Am Legend and Other Stories
feelings, lethargy, torpor, tranquility, tranquilization