كَانُواْ قَلِيلٗا مِّنَ ٱلَّيۡلِ مَا يَهۡجَعُونَ

kaanoo qaleelam minal laili maa yahja'oon

They were in the habit of sleeping but little by night,

— Adz-Dzariyah (ٱلذَّارِيَات), 51:17