defective sleeper

例句：

1. 1. Thepatient's condition was so severe that he needed a defective sleeper to help him breathe.
   病人的状况非常严重，需要用一个有缺陷的睡眠器来帮助他呼吸。
2. 2. The doctor explained the symptoms of the defective sleeper to the patient.
   医生向病人解释了有缺陷的睡眠器的症状。
3. 3. The defective sleeper was designed to prevent patients from falling asleep while they were in the hospital.
   这个有缺陷的睡眠器被设计成在病人住院期间防止他们入睡。