Bhagavad Gita 18.39
While the pleasure that drugs the senses from start to finish, which springs from indolence, lethargy, and folly—that pleasure flows from Ignorance.
यदग्रे चानुबन्धे च सुखं मोहनमात्मनः।निद्रालस्यप्रमादोत्थं तत्तामसमुदाहृतम्॥yadagre cānubandhe ca sukhaṃ mohanamātmanaḥ|nidrālasyapramādotthaṃ tattāmasamudāhṛtam||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).