Al-Muzzammil Verse 6

Indeed, worship in the night is more impactful and suitable for recitation.

Indeed, prayer at night is more effective and more conducive to proper recitation.

surely the first part of the night is heavier in tread, more upright in speech,

Night prayer makes a deeper impression and sharpens words––

Verily the rising by night! it is most curbing and most conducive to right speech.

Truly the rising by night is most potent for governing (the soul), and most suitable for (framing) the Word (of Prayer and Praise).

Surely getting up at night is the best means of subduing the self and is more suitable for uprightness in speech.

Surely in the watches of the night the soul is most receptive and words more telling.

Indeed getting up in the night is tougher, and the words flow with strength.

Indeed the watch of the night is firmer in tread and more upright in respect to speech,

Rising and praying at night impresses (mind and heart) most strongly and (makes) recitation more certain and upright.

Verily, getting up at night (for Prayer) is the most effective means of subduing (one´s self), and the most upright way to acquire firm control over one´s actions and speech.

That truly the night`s first hours it is stronger pressure and more just (in) a saying/word/declaration .

Indeed getting up in the night is tougher, and the words flow with strength.

Surely the vigil of the night is the most potent for the soul (to receive impressions) and the best for framing speech (or the Words of prayer).

Verily, the rising by night (for Tahajjud prayer) is very hard and most potent and good for governing (the soul), and most suitable for (understanding) the Word (of Allah).

And remember the name of thy Lord and devote thyself to Him with (complete) devotion.

Surely the rising by night is the firmest way to tread and the best corrective of speech.

Lo! the vigil of the night is (a time) when impression is more keen and speech more certain.

Prayer at night leaves the strongest impression on one's soul and the words spoken are more consistent.

Indeed, the first part of night is heavier in tread, and more upright in speech.

Verily, rising (Nashi'ah) at night is better for understanding and more suitable for speech (recitation).

Surely, getting up at night [for worship] is the most potent means of subduing the self and most suitable for the word [of prayer].

The vigil of night is more effective, and better suited for recitation.

Assuredly rising in the night, to wake up after [having been in] sleep, is firmer in tread, [more] conducive to [establishing] harmony between the hearing and the heart for the purpose of comprehending the Qur'n, and more upright in respect to speech, clearer for utterance [of devotions].

Verily, rising (Nashi'ah) at night is better for understanding and more suitable for speech (recitation).

`Umar, Ibn `Abbas and Ibn Zubayr, all said,

"The entire night is Nashi'ah."

Mujahid and others said the same.

It is said "Nasha'a" when a person stands at night to pray.

In one narration from Mujahid he said, "(It is) after `Isha' (prayer)."

This was also said by Abu Mijlaz, Qatadah, Salim, Abu Hazim and Muhammad bin Al-Munkadir.

The point is that Nashi'ah of the night refers to its hours and its times, every hour of it is called Nashi'ah, so it refers to the periods of time. The purpose of this is that standing at night (for prayer) is better for training the heart and the tongue, and more conducive to recitation. Thus, Allah says,
هِيَ أَشَدُّ وَطْءًا وَأَقْوَمُ قِيلً
is better for understanding and more suitable for speech (recitation).

meaning, more comprehensive for the matter of performing the recitation and better for understanding it than in the recitation of the day. This is because the daytime is the time for people to disperse and move about, to raise voices and be lively.

Al-Hafiz Abu Ya`la Al-Mawsili said,

"Ibrahim bin Sa`id Al-Jawhari told us that Abu Usamah told us that Al-A`mash informed us that Anas bin Malik recited this Ayah as;

هِيَ أَشَدُّ وَطْءًا وَأَقْوَمُ قِيلً
Verily, rising at night is better for understanding and more correct for the speech.

So a man said to him, `We recite it;

وَأَقْوَمُ قِيلًأ
more suitable for speech.

So Anas said to him,

`Most correct (Aswab), most suitable (Aqwam), the best for preparation (Ahya') and similar words are all the same (in meaning)."'

Thus, Allah continues saying,

إِنَّ لَكَ فِي اَلنَّهَارِ سَبْحًا طَوِيلً