17 Preface كانوا قَليلًا مِنَ اللَّيلِ ما يَهجَعونَYusuf AliThey were in the habit1 of sleeping but little by night,They were engaged most of the night in worship and in the planning of good deeds. They preferred activity to idleness, the service of God and His creatures to the indulgence of Self.