治禪病祕要法 2.67

2.67

爾時，世尊即說曰：「垖惕垖惕是惡夜叉，亦名夢鬼。夢見此時即便失精，當起懺悔：『垖惕來也。我是過去惡因緣故，遇此破戒賊害惡鬼，我今鞭心束縛諸情不使放逸。』

At that time, the Bhagavat said: "Duti Duti is an evil yakṣa, also named the Dream Ghost. When one dreams of seeing it, one immediately emits semen; one should rise and repent: 'Duti has come. Because of my evil causes and conditions in the past, I have encountered this precept-breaking, harmful evil ghost; I now whip my mind and bind my sense faculties, not letting them become lax.'