text: Breathing difficulty while lying down is an abnormal condition in which a person must keep the head raised (by sitting or standing) to be able to breathe deeply or comfortably.
  A specific type of breathing difficulty while lying down is paroxysmal nocturnal dyspnea. This condition causes a person to wake up suddenly during the night feeling short of breath.
option_0: Orthopnea
option_1: Hypernea
option_2: Dyspnea
option_3: Myxedema
option_4: Apnea
option_5: Palpitation
option_6: Chest pain
option_7: Chest pain  