During wakefulness there are three states of the mind viz., that connected with Goodness, that with Darkness, and that with Ignorance. In dream also the mind is connected with the same three states. Those very states, when they appear is dreams, connected with pleasurable actions, are spoken highly of.
सात्त्विकाश्चैव ये भावास्तथा तामसराजसाः। कर्मयुक्तान् प्रशंसन्ति सात्त्विकानितरांस्तथा॥