Surah An-Nisa 4:103

فَإِذَا قَضَيْتُمُ ٱلصَّلَوٰةَ فَٱذْكُرُوا۟ ٱللَّهَ قِيَـٰمًا وَقُعُودًا وَعَلَىٰ جُنُوبِكُمْ ۚ فَإِذَا ٱطْمَأْنَنتُمْ فَأَقِيمُوا۟ ٱلصَّلَوٰةَ ۚ إِنَّ ٱلصَّلَوٰةَ كَانَتْ عَلَى ٱلْمُؤْمِنِينَ كِتَـٰبًا مَّوْقُوتًا

And when you have completed the prayer, remember Allāh standing, sitting, or [lying] on your sides. But when you become secure, re-establish [regular] prayer. Indeed, prayer has been decreed upon the believers a decree of specified times.

Translation: Saheeh International

Tafsir

When you have performed the prayer when you have completed it remember God by repeating ‘There is no god but God’ tahlīl and ‘Glory be to God’ tasbīh standing and sitting and on your sides lying down in other words in all states. …

Excerpt from Tafsir al-Jalalayn, commentary on 4:103, via Quran.com. The reader has the full commentary and 9 more tafsirs.