Surah Al-Layl 92:1
وَٱلَّيْلِ إِذَا يَغْشَىٰ
By the night when it covers
Translation: Saheeh International
Tafsir
By the night as it enshrouds with its darkness all that is between the heaven and the earth
Excerpt from Tafsir al-Jalalayn, commentary on 92:1, via Quran.com. The reader has the full commentary and 9 more tafsirs.