50:40
وَمِنَ ٱلَّيْلِ فَسَبِّحْهُ وَأَدْبَـٰرَ ٱلسُّجُودِ
wamina al-layli fasabbiḥ'hu wa-adbāra l-sujūdi
And [in part] of the night exalt Him and after prostration [i.e., prayer].
— Saheeh International
proclaim His praise in the night and at the end of every prayer;
— M. A. S. Abdel Haleem
And during a part of the night (also) glorify His praises (i.e. Maghrib and ‘Isha prayers) and (so likewise) after the prayers [As-Sunnah, Nawâfil - optional and additional prayers. And also glorify, praise and magnify Allâh - Subhân Allâh, Alhamdu lillâh, Allâhu-Akbar].
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali