瑜伽論記 1.268

1.268

又若婆沙第三十七卷云：問：此睡夢中所起善法為加行、為生得善耶？答：唯生得善，以惛微故。

Furthermore, the thirty-seventh fascicle of the Mahāvibhāṣā states: Question: Are the wholesome dharmas arisen during this sleep and dreaming acquired through effort, or innate wholesome ones? Answer: Only innate wholesome ones, because of their dimness and weakness.