Night worship (Tahajjud)

وَمِنَ ٱلَّيْلِ فَسَبِّحْهُ وَأَدْبَـٰرَ ٱلسُّجُودِ

And [in part] of the night exalt Him and after prostration [i.e., prayer].

وَمِنَ ٱلَّيْلِ فَسَبِّحْهُ وَإِدْبَـٰرَ ٱلنُّجُومِ

And in a part of the night exalt Him and after [the setting of] the stars.