Mahabharata 3.270.21

प्रबोध्य महता चैनं यत्नेनागतसाध्वसःस्वस्थमासीनमव्यग्रं विनिद्रं राक्षसाधिपःततोऽब्रवीद्दशग्रीवः कुम्भकर्णं महाबलम्

prabodhya mahatā cainaṃ yatnenāgatasādhvasaḥsvasthamāsīnamavyagraṃ vinidraṃ rākṣasādhipaḥtato'bravīddaśagrīvaḥ kumbhakarṇaṃ mahābalam

Our plain-language meaning of this verse is waiting for scholar review.