Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:73:3

Half of it - or subtract from it a little  

a half of it (nisfahu substitutes for qalīlan, with ‘little’ ˹being little by˺ taking into account the whole ˹night˺), or reduce of it, of the half, a little, up to a third,
القرآن:٧٣:٣

نِصْفَهُ أَوِ انْقُصْ مِنْهُ قَلِيلًا  

{نصفه} بدل من قليلا وقلَّته بالنظر إلى الكل {أو انقص منه} من النصف {قليلا} إلى الثلث.