Al-Muzzammil 73:6
المزملإِنَّ نَاشِئَةَ ٱلَّيْلِ هِىَ أَشَدُّ وَطْـًٔا وَأَقْوَمُ قِيلًا
Indeed, worship at night is more effective[3] and more conducive to proper recitation[4].
[3] Or "getting up at night is more difficult...," meaning that it can only be done by sincere believers.
[4] i.e., for reciting, hearing, and understanding of the Qur’an.
Meaning: English Translation - Rowwad Translation Center. Translated by the team of the Rowwad Translation Center, in cooperation with the Rabwah Dawah Association, the Islamic Content Service Association in Languages, and the IslamHouse.com website. Version 1.0.19, 2026-03-12. QuranEnc.com
Indeed, the hours of the night are more effective for concurrence [of heart and tongue][1780] and more suitable for words.[1781]
[1780] Another accepted interpretation of the same words is "Indeed, arising at night is more difficult...," meaning that it will only be done by sincere believers and not others.
[1781] i.e., for recitation of the Qur’ān and for hearing and understanding it.
Meaning: English Translation - Noor International Center. Issued by Noor International Center. Version 1.1.2, 2025-06-24. QuranEnc.com
6. Verily, the rising by night (for Tahajjud prayer) is very hard and most potent and good for governing oneself, and most suitable for (understanding) the Word (of Allâh).
Meaning: English Translation - Hilali and Khan. Translated by Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan. Version 1.1.2, 2025-09-04. QuranEnc.com
Lo! the vigil of the night is (a time) when impression is more keen and speech more certain.
Meaning: English Translation - Mohammed Marmaduke Pickthall. The Meaning of the Glorious Koran (1930), as distributed by the Tanzil Project (last update 4 September 2010). Version 2010-09-04, 2010-09-04. Tanzil
The Arabic is Tanzil’s text, unchanged. The meanings are their publishers’ editions, unchanged; Sabīl’s own reviewers have not yet examined them. Arabic: Tanzil Uthmani text, version 1.1. Source: tanzil.net