Adh-Dhaariyat • EN-TAFSIR-IBN-ABBAS
﴿ كَانُوا۟ قَلِيلًۭا مِّنَ ٱلَّيْلِ مَا يَهْجَعُونَ ﴾
“they would lie asleep during but a small part of the night,”
(They used to sleep but little of the night) He says: they hardly slept at night,