question #3 Sahih al-Bukhari 6295, Book 79, Hadith 67 : What is the significance of extinguishing lights before sleeping in Islamic tradition?

Allah’s Messenger (ﷺ) said, “(At bedtime) cover the utensils, close the doors, and put out the lights, lest the
evil creature (the rat) should pull away the wick and thus burn the people of the house.”