Yoga Sutras of Patanjali · 1.6

प्रमाणविपर्ययविकल्पनिद्रास्मृतयः ॥६॥

pramāṇaviparyayavikalpanidrāsmṛtayaḥ

The five modifications are: right knowledge, wrong knowledge, imagination, sleep, and memory.

— Yoga Sutras of Patanjali 1.6

Source: Sanskrit attributed to Patanjali (c. 2nd century BCE – 4th century CE). Public-domain English readings drawn from Swami Vivekananda's 'Raja Yoga' (1896) and Charles Johnston's 'The Yoga Sutras of Patanjali' (1912).