rem睡眠

• It is during rem sleep period , your body will soon relax again , your breathing will grow slow and regular once more , and you will slip gently back from stage 1 to stage 4 sleep - - only to rise once again to the surface of near consciousness some 80 minutes later
  在rem睡眠阶段，你的肢体会很快再度放松，呼吸也再次放慢并变得有节奏，你会轻松地从第一阶段滑入第四阶段睡眠? ?直到大约80分钟后重新接近清醒状态。