Bhagavad Gita 14.8

तमस्त्वज्ञानजं विद्धि मोहनं सर्वदेहिनाम्।प्रमादालस्यनिद्राभिस्तन्निबध्नाति भारत ॥१४.८॥

tamastvajñānajaṃ viddhi mohanaṃ sarvadehināmpramādālasyanidrābhistannibadhnāti bhārata

But know thou Tamas to be born of ignorance, deluding all embodied beings; it binds fast, O Arjuna, through heedlessness, indolence, and sleep.

गीता