Dalil

Quran Al-Insan 76:26

وَمِنَ ٱلَّيۡلِ فَٱسۡجُدۡ لَهُۥ وَسَبِّحۡهُ لَيۡلٗا طَوِيلًا

Translation

And during the night prostrate to Him and exalt [i.e., praise] Him a long [part of the] night.