Mahabharata 5.186.1

भीष्म उवाच · bhīṣma uvāca

ततो हलहलाशब्दो दिवि राजन्महानभूत्प्रस्वापं भीष्म मा स्राक्षीरिति कौरवनन्दन

tato halahalāśabdo divi rājanmahānabhūtprasvāpaṃ bhīṣma mā srākṣīriti kauravanandana

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