Answer: apnoeic

AnswerCrossword Clue
apnoeicpertaining to apnea (temporary cessation of breathing, also APNOEA)
apnoeictemporary suspension of breathing, occurring in some newborns (infant apnea) and in some adults during sleep (sleep apnea)
apnoeicthe extreme condition caused by lack of oxygen and excess of carbon dioxide in the blood, produced by interference with respiration or insufficient oxygen in the air; suffocation