Al-Muzzammil • BN-TAFSEER-IBN-E-KASEER
﴿ قُمِ ٱلَّيْلَ إِلَّا قَلِيلًۭا ﴾
“Keep awake [in prayer] at night, all but a small part”
Please check ayah 73:9 for complete tafsir.