كَانُوا قَلِيلًا مِنَ اللَّيْلِ مَا يَهْجَعُونَ
They slept little in the night,
They used to sleep but little by night (almost never missing the Tahajjud Prayer).
They were in the habit of sleeping but a little by night (for their being occupied in God´s worship).
they would lie asleep during but a small part of the night,
Little of the night they were wont to slumber.
They used to sleep only a little during the night.
They used to sleep but little in the night.
They were little from the night what they (spend in) sleep .
They used to sleep but little in the night time,
Taking that which their Lord gives them. Surely they were before that the doers of good.
They slept very little during the night
They used to sleep but little of the night,
They used to sleep but little by night [invoking their Lord (Allah) and praying, with fear and hope].
They were in the habit of sleeping but little by night,