Insight, error, imaginings, deep sleep, and recollections. ||6||

Verse 6 

प्रमाण विपर्यय विकल्प निद्रा स्मृतयः ॥६॥

pramāṇa viparyaya vikalpa nidrā smr‌tayaḥ ॥6॥

pramāṇa = insight; accurate perception; accurate knowledge

viparyaya = error; false perception; false knowledge

vikalpa = imagining; illusion; mental construct; the illusion that a semantic construct such as “praise” actually exists

nidrā = sleep; deep sleep

smr‌ti = recollections; memory

Insight, error, imaginings, deep sleep, and recollections. ||6||

PATANJALI YOGA SUTRAS