تفسير : (they used to sleep but little of the night) he says: they hardly slept at night,
Jalāl al-Dīn al-Maḥallī
تفسير : little of the night did they use to sleep (mā is extra; yahja‘ūna is the predicate of kānū; qalīlan, ‘little’, is an adverb), in other words, they used to sleep for a small portion of the night and perform prayers during most of it,
Sahl al-Tustari
تفسير : they used to sleep little of the night.he said:neither heedlessness (ghafla) nor sleep ever, under any circumstances, diverts them from the remembrance [of god].his words, exalted is he: