यदग्रे चानुबन्धे च सुखं मोहनमात्मन: |
निद्रालस्यप्रमादोत्थं तत्तामसमुदाहृतम् || 39||
yad agre chānubandhe cha sukhaṁ mohanam ātmanaḥ
nidrālasya-pramādotthaṁ tat tāmasam udāhṛitam
BG 18.39: That happiness which covers the nature of the self from beginning to end, and which is derived from sleep, indolence, and negligence, is said to be in the mode of ignorance.