Fatal Insomnia
terminal condition = an illness which cannot be cured and it is likely to lead to someone's death sporadic cases = a disease which occurs only infrequently, haphazardly, irregularly or occasionally from time to time autonomic nervous system = a component of the peripheral nervous system that regulates involuntary(=with no control) physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual arousal. lapse into = to begin to be in (a worse or less active state or condition) unresponsiveness = not reacting spongy texture = looking like a sponge insurmountable = too great to be overcome nuclei = plural from 'nucleus'